Don’t be a S.H.E.E.P in 2011

Are you part of the herd? Video Clip: Click to Watch ATI short technical courses provide concise, practical answers to put you ahead of the pack Do you want your profession to stagnate next year? Or would a short technical course advance your career? Instead of doing the same thing, why not try something new? Technical […]
Are you part of the herd?
Are you part of the herd?
Video Clip: Click to Watch
ATI short technical courses provide concise, practical answers to put you ahead of the pack
Do you want your profession to stagnate next year? Or would a short technical course advance your career? Instead of doing the same thing, why not try something new? Technical training: Could it be just the thing for you? Since 1984, from the Applied Technology Institute (ATI) has provided leading-edge public courses and onsite technical training to DoD and NASA personnel, as well as contractors. ATI short courses are designed to help you keep your professional knowledge up-to-date. Our courses provide a practical overview of space and defense technologies which provide a strong foundation for understanding the issues that must be confronted in the use, regulation and development such complex systems. Whether you are a busy engineer, a technical expert or a project manager, you can enhance your understanding of complex systems in a short time. You will become aware of the basic vocabulary essential to interact meaningfully with your colleagues. Course Outline, Samplers, and Notes Determine for yourself the value of our courses before you sign up. Check out the new ATI channel on YouTube. Or see our samples (See Slide Samples) on some of our courses. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion. Please visit our website for more valuable information. About ATI and the Instructors Our mission here at ATI is to provide expert training and the highest quality professional development in space, communications, defense, sonar, radar, and signal processing. We are not a one-size-fits-all educational facility. Our short classes include both introductory and advanced courses. ATI’s instructors are world-class experts who are the best in the business. They are carefully selected for their ability to clearly explain advanced technology. Dates, Times and Locations For the dates and locations of all of our short courses, please access the links below. Sincerely, The ATI Courses Team P.S. Call today for registration at 410-956-8805 or 888-501-2100 or access our website at www.ATIcourses.com. For general questions please email us at ATI@ATIcourses.com.
Mark N. Lewellen
Consultant/Instructor
Washington, DC
240-882-1234

Can You Pass the Certified Systems Engineers Professional (CSEP) Exam?

Will YOU be part of the supply? Video Clip: Click to Watch Certified Systems Engineers Are In Demand Just as you would not attempt a state bar exam without studying, you should not attempt the CSEP (Certified Systems Engineer Professional) exam without preparation. By taking a preparatory course, you can yield great benefits in performance, stress […]
Will YOU be part of the supply?
Will YOU be part of the supply?
Video Clip: Click to Watch
Certified Systems Engineers Are In Demand
Just as you would not attempt a state bar exam without studying, you should not attempt the CSEP (Certified Systems Engineer Professional) exam without preparation. By taking a preparatory course, you can yield great benefits in performance, stress reduction and overall, greatly improve your chances of passing the exam. While the economy is down, the demand for systems engineers is still growing — but supply is low. To assist you in your career, the Applied Technology Institute (ATI) has added a CSEP preparation course to its curriculum. Systems engineering is a profession, practice and way of doing business that concentrates on the design and application of the whole system to produce a successful product or system. The International Council on Systems Engineering (INCOSE) has established a Professional Certification Program to provide a formal method for recognizing the knowledge and experience of systems engineers. The INCOSE CSEP rating is a coveted milestone in the career of a systems engineer, demonstrating knowledge, education and experience and is of high value to systems organizations. Course Outline, Samplers, and Notes Determine for yourself the value of our course before you sign up. For example click here to see our CSEP slide samples or click here to see ATI CSEP on YouTube. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion. Please visit our website for more valuable information. About ATI and the Instructors The instructor for this class is Eric Honour, an international consultant and lecturer, who has nearly forty year career of complex systems development & operation. He was Founder and former President of INCOSE. He has led the development of eighteen major systems, including the Air Combat Maneuvering Instrumentation systems and the Battle Group Passive Horizon Extension System. Dates, Times and Locations The dates and locations for our CSEP courses in 2011 are listed here: February 11-12, 2011, Orlando, FL March 30-31, 2011, Minneapolis, MN September 16, 2011, Chantilly, VA For a complete ATI course list, please access the links below. Sincerely, The ATI Courses Team P.S. Call today for registration at 410-956-8805 or 888-501-2100 or access our website at www.ATIcourses.com. For general questions please email us at ATI@ATIcourses.com.
Mark N. Lewellen
Consultant/Instructor
Washington, DC
240-882-1234

Synchronized Swimming for Submarines

The autonomous submarines at the Neutral Buoyancy Research Facility. Nature shows and Caribbean vacation commercials often depict a school of fish moving as a single entity to avoid obstacles and elude prey. Engineers hope to give unmanned mini-submarines, mini-helicopters and other autonomous vehicles the same coordinated movement. Derek Paley, assistant professor of aerospace engineering at […]
The autonomous submarines at the Neutral Buoyancy Research Facility.

The autonomous submarines at the Neutral Buoyancy Research Facility.

Nature shows and Caribbean vacation commercials often depict a school of fish moving as a single entity to avoid obstacles and elude prey. Engineers hope to give unmanned mini-submarines, mini-helicopters and other autonomous vehicles the same coordinated movement. Derek Paley, assistant professor of aerospace engineering at the University of Maryland’s A. James Clark School of Engineering, recently won a National Science Foundation Faculty Early Career Development (CAREER) Award for his proposal to study the coordinated movement of fish and apply it to unmanned submarines. Unmanned vehicles under multi-vehicle control could navigate more accurately and collect data more reliably than individual vehicles. The Navy plans to use a fleet of unmanned submarines to measure oceanic salinity, temperature and density—the factors that affect the speed of sound through water. These measurements, in turn, will help better predict sonar performance. Fish signal one another via visual cues and hydrodynamics (the movement of water). A line of tiny hair cells down each side of a fish helps them to sense the flow of the water around them. Paley is giving a fleet of mini-subs onboard cameras to mimic the visual sensing of fish. Also aboard each 3-foot-long sub is a tiny computer that can process the information from the cameras to determine the relative position of the subs around it and use this information to steer. Meanwhile, undergraduate student Alexander Leishman is developing sensors for Paley’s subs that will mimic the hair cells of the fish, to help the subs sense changes in the flow of the water. In lab space provided by biology professor Arthur Popper on the College Park campus, Paley has set up a network of cameras to monitor a school of giant danios (hardy freshwater fish about three inches long) and how they react when they are startled. When one or more fish in a school is startled, they trigger what is known as a “wave of agitation”—one fish takes evasive action, its immediate neighbors follow suit, followed by their neighbors, and so on. Paley takes the data captured by the cameras and uses it to create 3-d reconstructions of the fish movement. The models will help his research team better understand the information transmission among the fish and apply the same principles to the unmanned vehicles. “We’re developing modern engineering tools to quantitatively study this phenomenon,” Paley says. “We’re taking methods you learn as an engineering student and applying them to study biology.” The technology being built for the subs also can be applied to unmanned aerial vehicles. “We’re looking at planetary-scale applications for these vehicles; for instance, monitoring conditions inside hurricanes to improve forecasting models,” Paley said. “It’s important to fly lower—below 10,000 feet—to collect data where the air meets the water,” explains Paley. “Manned aircraft can’t fly that low inside a hurricane for safety reasons.” Paley directs the Collective Dynamics and Control Lab, where he supervises the research projects of twelve undergraduate engineering students who help him build the autonomous submarines. Paley also has six graduate students working on related research including Sachit Butail, a doctoral candidate who is developing an automatic tracking system to monitor the fish and produce data at an unprecedented rate and volume. This fall, Paley will add a neuroscience grad student to his team who will help design and conduct experiments to glean more from the communication behaviors of the fish.

ATI Features World Class Instructors for Our Short Courses

Washington, DC Tuesday, November 30, 2010 “Even I Could Learn a Thing or Two from ATI” Video Clip: Click to Watch Since 1984 ATI has provided leading-edge public courses and onsite technical training The short technical courses from the Applied Technology Institute (ATI) are designed to help you keep your professional knowledge up-to-date. Our courses provide […]
Washington, DC
Tuesday, November 30, 2010
“Even I Could Learn a Thing or Two from ATI”
“Even I Could Learn a Thing or Two from ATI”
Video Clip: Click to Watch
Since 1984 ATI has provided leading-edge public courses and onsite technical training
The short technical courses from the Applied Technology Institute (ATI) are designed to help you keep your professional knowledge up-to-date. Our courses provide a practical overview of space and defense technologies which provide a strong foundation for understanding the issues that must be confronted in the use, regulation and development such complex systems. The classes are designed for individuals involved in planning, designing, building, launching, and operating space and defense systems. Whether you are a busy engineer, a technical expert or a project manager, you can enhance your understanding of complex systems in a short time. ABOUT ATI AND THE INSTRUCTORS Our mission here at the ATI is to provide expert training and the highest quality professional development in space, communications, defense, sonar, radar, and signal processing. We are not a one-size-fits-all educational facility. Our short classes include both introductory and advanced courses. ATI’s instructors are world-class experts who are the best in the business. They are carefully selected for their ability to clearly explain advanced technology. For example: Robert Fry worked from 1979 to 2007 at The Johns Hopkins University Applied Physics Laboratory where he was a member of the Principal Professional Staff. He is now working at System Engineering Group (SEG) where he is Corporate Senior Staff and also serves as the company-wide technical advisor. Throughout his career he has been involved in the development of new combat weapon system concepts, development of system requirements, and balancing allocations within the fire control loop between sensing and weapon kinematic capabilities. He has worked on many aspects of the AEGIS combat system including AAW, BMD, AN/SPY-1, and multi-mission requirements development. Missile system development experience includes SM-2, SM-3, SM-6, Patriot, THAAD, HARPOON, AMRAAM, TOMAHAWK, and other missile systems. Robert teaches ATI’s Combat Systems Engineering course Wayne Tustin has been president of Equipment Reliability Institute (ERI), a specialized engineering school and consultancy he founded in Santa Barbara, CA, since 1995. His BSEE degree is from the University of Washington, Seattle. He is a licensed Professional Engineer in the State of California. Wayne’s first encounter with vibration was at Boeing/Seattle, performing what later came to be called modal tests, on the XB-52 prototype of that highly reliable platform. Subsequently he headed field service and technical training for a manufacturer of electrodynamic shakers, before establishing another specialized school on which he left his name. Based on over 50 years of professional experience, Wayne has written several books and literally hundreds of articles dealing with practical aspects of vibration and shock measurement and testing. Wayne teaches ATI’s Fundamentals of Random Vibration & Shock Testing course. Thomas S. Logsdon, M.S For more than 30 years, Thomas S. Logsdon, M. S., has worked on the Navstar GPS and other related technologies at the Naval Ordinance Laboratory, McDonnell Douglas, Lockheed Martin, Boeing Aerospace, and Rockwell International. His research projects and consulting assignments have included the Transit Navigation Satellites, The Tartar and Talos shipboard missiles, and the Navstar GPS. In addition, he has helped put astronauts on the moon and guide their colleagues on rendezvous missions headed toward the Skylab capsule. Some of his more challenging assignments have centered around constellation coverage studies, GPS performance enhancement, military applications, spacecraft survivability, differential navigation, booster rocket guidance using the GPS signals and shipboard attitude determination. Tom Logsdon has taught short courses and lectured in thirty one different countries. He has written and published forty technical papers and journal articles, a dozen of which have dealt with military and civilian radionavigation techniques. He is also the author of twenty nine technical books on various engineering and scientific subjects. These include Understanding the Navstar, Orbital Mechanics: Theory and Applications, Mobile Communication Satellites, and The Navstar Global Positioning System. Courses Mr. Logsdon teaches through ATI include: Understanding Space Fundamentals of Orbital & Launch Mechanics GPS Technology – Solutions for Earth & Space and Strapdown Inertial Navigation Systems COURSE OUTLINE, SAMPLERS, AND NOTES Determine for yourself the value of our courses before you sign up. See our samples (See Slide Samples) on some of our courses. Or check out the new ATI channel on YouTube. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion. Please visit our website for more valuable information. DATES, TIMES AND LOCATIONS For the dates and locations of all of our short courses, please access the links below. Sincerely, The ATI Courses Team P.S. Call today for registration at 410-956-8805 or 888-501-2100 or access our website at www.ATIcourses.com. For general questions please email us at ATI@ATIcourses.com.
Mark N. Lewellen
Consultant/Instructor
Washington, DC
240-882-1234

Why Not Give Yourself the Gift of a Short Course this Holiday Season?

Washington, DC Monday, November 29, 2010 Is One of These Yours? Video Clip: Click to Watch When Did You Last do Something for Your Career? Since 1984, the Applied Technology Institute (ATI) has provided leading-edge public courses and onsite technical training to DoD and NASA personnel, as well as contractors. Our courses provide a practical overview of space […]
Washington, DC
Monday, November 29, 2010
Is One of These Yours?
Is One of These Yours?
Video Clip: Click to Watch
When Did You Last do Something for Your Career?
Since 1984, the Applied Technology Institute (ATI) has provided leading-edge public courses and onsite technical training to DoD and NASA personnel, as well as contractors. Our courses provide a practical overview of space and defense technologies which provide a strong foundation for understanding the issues that must be confronted in the use, regulation and development such complex systems. ATI short courses are designed to help you keep your professional knowledge up-to-date. Our short courses are designed for individuals involved in planning, designing, building, launching, and operating space and defense systems. Whether you are a busy engineer, a technical expert or a project manager, you can enhance your understanding of complex systems in a short time. You will become aware of the basic vocabulary essential to interact meaningfully with your colleagues. Course Outline, Samplers, and Notes Determine for yourself the value of our courses before you sign up. See our samples (See Slide Samples) on some of our courses. Or check out the new ATI channel on YouTube. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion. Please visit our website for more valuable information. About ATI and the Instructors Our mission here at the Applied Technology Institute (ATI) is to provide expert training and the highest quality professional development in space, communications, defense, sonar, radar, and signal processing. We are not a one-size-fits-all educational facility. Our short classes include both introductory and advanced courses. ATI’s instructors are world-class experts who are the best in the business. They are carefully selected for their ability to clearly explain advanced technology. Dates, Times and Locations For the dates and locations of all of our short courses, please access the links below. Sincerely, The ATI Courses Team P.S Call today for registration at 410-956-8805 or 888-501-2100 or access our website at www.ATIcourses.com. For general questions please email us at ATI@ATIcourses.com.
Mark N. Lewellen
Consultant/Instructor
Washington, DC
240-882-1234

Are You Thinking About Updating Your Technical Skills?

Don’t just think. Do it. Video Clip: Click to Watch It could be as easy as taking a short course or two to stay current in your field Do you when was the last time you updated your current skills or learned new ones? Our mission here at the Applied Technology Institute (ATI) is to provide […]
Don’t just think.  Do it.
Don’t just think. Do it.
Video Clip: Click to Watch
It could be as easy as taking a short course or two to stay current in your field
Do you when was the last time you updated your current skills or learned new ones? Our mission here at the Applied Technology Institute (ATI) is to provide you expert training and the highest quality professional development in space, communications, defense, sonar, radar, and signal processing. We are not a one-size-fits-all educational facility. Our short classes include both introductory and advanced courses. ATI short courses are designed to help you keep your professional knowledge up-to-date. Our courses provide a practical overview of space and defense technologies which provide a strong foundation for understanding the issues that must be confronted in the use, regulation and development such complex systems. Whether you are a busy engineer, a technical expert or a project manager, you can enhance your understanding of complex systems in a short time. You will become aware of the basic vocabulary essential to interact meaningfully with your colleagues. Our courses cover the following technical areas: • Acoustic & Sonar Engineering courses • Radar, Missiles and Combat Systems courses • Project Management and Systems Engineering courses • Engineering & Data Analysis courses • Communications & Networking courses • Satellites & Space-Related courses Course Outline, Samplers, and Notes Determine for yourself the value of our courses before you sign up. See our samples (See Slide Samples) on some of our courses. Or check out the new ATI channel on YouTube. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion. Please visit our website for more valuable information. About ATI and the Instructors Our mission here at ATI is to provide expert training and the highest quality professional development in space, communications, defense, sonar, radar, and signal processing. We are not a one-size-fits-all educational facility. Our short classes include both introductory and advanced courses. ATI’s instructors are world-class experts who are the best in the business. They are carefully selected for their ability to clearly explain advanced technology. Dates, Times and Locations For the dates and locations of all of our short courses, please access the links below. Sincerely, The ATI Courses Team P.S. Call today for registration at 410-956-8805 or 888-501-2100 or access our website at www.ATIcourses.com. For general questions please email us at ATI@ATIcourses.com.

DEALING WITH THE SOUTH ATLANTIC ANOMALY

The South Atlantic Anomaly is a worrisome dip in the donut-shaped Van Allen Radiation Belts off the coast of South America.  It is caused by a more-or-less permanent mismatch between the spin axis of the earth and its magnetic dipole.  An 11-degree angle exists between the two axes and, in addition, there is a 300 […]
  1. The South Atlantic Anomaly is a worrisome dip in the donut-shaped Van Allen Radiation Belts off the coast of South America.  It is caused by a more-or-less permanent mismatch between the spin axis of the earth and its magnetic dipole.  An 11-degree angle exists between the two axes and, in addition, there is a 300 mile distance between the geometric center of the earth and the center of its magnetic dipole.
These relatively small mismatches result in a localized magnetic field strength that is only about half as strong as the worldwide average value of 0.5 Gauss.  The energetic protons in the lower Van Allen Radiation Belt are trapped in the earth’s magnetic field, and, as a result, they are pulled down toward the earth’s surface in the South Atlantic Anomaly.  When low-altitude satellites fly through the South Atlantic Anomaly, they experience dramatically increased levels of radiation. Astronauts, computer chips, and solid-state sensors must be protected from the extra radiation found in the South Atlantic Anomaly.  Mission planners avoid “space walks” over that part of the world, the Hubble Space Telescope is temporarily shut down, and laptop computers carried onboard the space shuttle and in the International Space Station sometimes malfunction.  In addition, some of the Globalstar mobile communication satellites are believed to have died earlier than predicted because of the extra radiation they experienced while gliding through the South Atlantic Anomaly. Strategies designed to cope with this region of enhanced radiation include extra hardening of the onboard electronics, the use of self-annealing gallium-arsenide circuit chips, careful mission planning to avoid the worst radiation-enhanced portions of space, and careful positioning of delicate components inside the spacecraft among other heavy and dense components. 2.  As you suspected, the South Atlantic Anomaly does move, expand, and change in intensity over relatively long periods of time.  Generally, it is expanding and moving predominantly in the southwestern direction.  Its field strength is also gradually weakening (which results in stronger doses of radiation for low-altitude satellites coasting though that region of space). The Van Allen Radiation Belts, which are composed primarily of highly energetic protons, electrons and positive ions, are trapped in the earth’s magnetic field.  They are shaped like gigantic donuts in space.  These enormous belts were first discovered in 1958 by the American physicist, Dr. James Van Allen, a professor at Iowa State University, shortly after the Explorer 1 spacecraft was lofted into space. The lower Van Allen Radiation Belt reaches its peak intensity at an altitude of about 1800 miles above the earth.  It consists primarily of protons and positive ions spiraling in long, lazy loops around the earth’s magnetic lines of flux.  A sphere two feet in diameter positioned at the center of the lower Van Allen Radiation Belt would be penetrated by 20 million of these energetic protons every second of its mission.  The upper Van Allen Radiation Belt reaches its peak intensity at about 10,000 miles above the earth.  It consists primarily of electrons at substantially lower energy levels. Most of the time when the various charged particles hurtling around the magnetic flux lines reach their northernmost or southernmost latitudes, an abrupt mirror-image reflection hurls them back into the opposite direction.  But near each pole a small number of them escape, plunge to lower altitudes, and impact the hydrogen, oxygen, and argon atoms in the Earth’s atmosphere.  These collisions create the Northern and Southern Lights.  Each type of atom is associated with its own characteristic colors. The GPS satellites are, unfortunately, positioned at an altitude of 12,500 miles near the peak intensity of the upper Van Allen Radiation Belt.  The intense radiation found there damages their silicon solar cells.  Consequently, over its 7.5-year design lifetime, a typical GPS satellite loses about 25 percent of its electrical generating capacity.  Near the peak of the sun’s 11-year sunspot cycle, the belts are pumped up by the larger number of charged particles in the solar wind.  Consequently, the GPs satellites’ power levels decline even more rapidly due to these enhanced levels of radiation. A solid metallic sphere 750 miles in radius lies at the center of the earth.  Surrounding it is a liquid metal shell that swirls around due to the Earth’s rotational motion.  This moving dynamo creates the earth’s rather complicated and variable magnetic field. About 90 percent of the earth’s magnetic field comes from its simple dipole that behaves like a bar magnet with a positive pole at one end and a negative pole at the other.  The remaining 10 percent comes from the earth’s various other non-dipole components (monopoles, quadrupoles, etc.). Over the past 150 years, (during which scientific measurements have been available), the dominating dipole component has decreased in magnetic field strength by about 6 percent.  This weaker dipole, in turn, causes a systematic increase in the size of the South Atlantic Anomaly as experienced by low-altitude satellites.  During each decade, on average, the center of the South Atlantic Anomaly moves predominantly in the southwestern direction at an average rate of 0.8 degrees of longitude.  This is equivalent to a movement of 48 statute miles per decade. Over much larger intervals, the earth’s magnetic field reverses polarity, rather abruptly, at unpredictable and irregular intervals:  the North Magnetic Pole becomes the South Pole and vice versa.  On the average, these reversals are 300,000 to 1,000,000 years apart. Unequivocal evidence highlighting these dipole reversals is provided by the large magnetized strips frozen into basalt layers lining the sea floor on opposite sides of the slowly spreading mid-Atlantic ridge. 3.  According to my sources, the best and most readily available information on the status, shape, and location of the South Atlantic Anomaly and related matters, comes from NASA’s Community Coordinated Modeling Center (CCMC).  The World Wide Web address of the center – which is maintained by NASA Goddard in Greenbelt, Maryland is: http://ccmc.gsfc.nasa.gov/modelweb/ The letters “gsfc” in this address stand for the Goddard Space Flight Center.  I have taught short courses at the Goddard Space Flight Center for many years, but I do not know anyone who works at their modeling center.  Goddard’s headcount totals about 3000. If your organization plans to launch, operate or use satellites in space there are six different sources of radiation you may have to plan for and worry about: 1.      The various layers of the ionosphere 2.      The auroras (Northern and Southern Lights) 3.      The two major Van Allen Radiation Belts 4.      Periodic and intense solar proton events 5.      Cosmic rays originating in deep space 6.      Solar wind Fortunately, I often include material on these radiation sources in my “Orbital Mechanics” short courses, especially in the longer 5-day versions.  Discussions of the South Atlantic Anomaly are included in the portion that deals with the Van Allen Radiation Belts, including practical mitigation strategies that can help mission planner alleviate their worse detrimental effects. Tom Logsdon

Top Ten Reasons Why You Should Attend a Short Technical Course from ATI

Washington, DC Monday, November 15, 2010 HOT off the press!!! Video Clip: Click to Watch ATI specializes in short course technical training in space, communications, defense, sonar, radar, and signal processing Here are the top ten reasons why you should attend a short technical course from ATI: 1. Our world class instructors love to teach 2. […]
Washington, DC
Monday, November 15, 2010
HOT off the press!!!
HOT off the press!!!
Video Clip: Click to Watch
ATI specializes in short course technical training in space, communications, defense, sonar, radar, and signal processing
Here are the top ten reasons why you should attend a short technical course from ATI: 1. Our world class instructors love to teach 2. Both fundamental and advanced technical courses are offered 3. Convenient locations all around the country 4. Short courses take less than a week 5. Take only the classes you need 6. Our focus is on space and defense technology, just like yours 7. If there are eight or more people who are interested in a course, you save money if we bring the course to you. 8. If you have fifteen or more students, you save over fifty percent compared to a public course. 9. You will gain an understanding of the basic vocabulary needed in order to interact meaningfully with your colleagues. 10. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion Since 1984, the Applied Technology Institute (ATI) has provided leading-edge public courses and onsite technical training to DoD and NASA personnel, as well as contractors. ATI short courses are designed to help you keep your professional knowledge up-to-date. Our classes provide a practical overview of space and defense technologies which provide a strong foundation for understanding the issues that must be confronted in the use, regulation and development such complex systems. Whether you are a busy engineer, an aviation expert or a project manager, you can enhance your understanding of space-related systems without missing much time from work. Course Outline, Samplers, and Notes Determine for yourself the value of our courses before you sign up. See our samples (See Slide Samples) on some of our courses. Or check out the new ATI channel on YouTube. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion. Please visit our website for more valuable information. About ATI and the Instructors Our mission here at the Applied Technology Institute (ATI) is to provide expert training and the highest quality professional development in space, communications, defense, sonar, radar, and signal processing. We are not a one-size-fits-all educational facility. Our short classes include both introductory and advanced courses. ATI’s instructors are world-class experts who are the best in the business. They are carefully selected for their ability to clearly explain advanced technology. Dates, Times and Locations For the dates and locations of all of our short courses, please access the links below. Sincerely, The ATI Courses Team P.S. Call today for registration at 410-956-8805 or 888-501-2100 or access our website at ATIcourses. For general questions please email us at ATI@ATIcourses.com.
Mark N. Lewellen
Consultant/Instructor
Washington, DC
240-882-1234

Clearance Sale: Radar, Antennas & Electronic Warfare Textbooks

Best Sellers There’s a reason behind this bit of “peer pressure”…each of these books were perused at length by your peers before purchase. Principles of Modern Radar: Basic Principles Mark Richards, Jim Scheer, Bill Holm Special price: $105 Introduction to Adaptive Arrays, 2nd Ed. Bob Monzingo, Randy Haupt, Tom Miller Special Preliminary Paperback $69 We […]
Best Sellers
POMR CoverThere’s a reason behind this bit of “peer pressure”…each of these books were perused at length by your peers before purchase. Principles of Modern Radar: Basic Principles Mark Richards, Jim Scheer, Bill Holm Special price: $105
Monzingo/Haupt/MillerIntroduction to Adaptive Arrays, 2nd Ed. Bob Monzingo, Randy Haupt, Tom Miller Special Preliminary Paperback $69
We printed a number of paperbacks just in time for the conference and you can get these now for only $69!
Save Now – Radar
Principles of Waveform Diversity and Design Michael Wicks et al, 2010, List: $189, Now $149
Phased Array Radar Design Tom Jeffrey, 2009, List $89, Now $65
Fundamentals of Ground Radar for ATC Engineers and… Ronald Bouwman, 2009, List $129, Now $89
Introduction to Sensors for Ranging and Imaging Graham Brooker, 2009, List $119, Now $75
Understanding Radar: The ABCs of How Radar Systems… Arnold Acker, 2009, List $99, Now $29
Theory of Edge Diffraction in Electromagnetics… Pyotr Ufimtsev, 2009, List $99, Now $69
Advances in Bistatic Radar Willis & Griffiths, 2007, List $149, Now $99
Design of Multi-Frequency CW Radars Mohinder Jankariman, 2007, List $129, Now $89
Radar Cross Section Measurements Eugene F. Knott, 2006, List $115, Now $69
Bistatic Radar, 2nd Edition Nicholas J. Willis, 2005, List $89, Now $39
Radar Foundations for Imaging and Advanced Concepts Roger Sullivan, 2004, List $105, Now $69
Radar Principles for the Non-Specialist, 3rd Ed. Toomay & Hannen, 2004, List $59, Now $39
Airborne Early Warning System Concepts, 3rd Ed. Maurice Long, 2004, List $115, Now $45
Introduction to RF Stealth David Lynch, Jr., 2004, List $139, Now $39
Radar Cross Section, 2nd Ed. Knott et al, 2004, List $109, Now $69
Radar Detection DiFranco & Rubin, 2004, List $115, Now $59
Understanding Synthetic Aperture Radar Images Oliver & Quegan, 2004, List $109, Now $59
Low Angle Radar Land Clutter Billingsley, 2002, List $149, Now $79
Understanding Radar Systems Kingsley & Quegan, List $85, Now $39
Save Now – Antennas

Antennas: Fundamentals, Design, Measurement, 3rd Ed.

Blake & Long, 2009, List $99, Now $79

Antennas: Deluxe Edition with MathCad 14.0 Blake & Long, 2009, List $149, Now $119 This is the same book inside as the above listed title, just with a full featured single-user MathCad included (that’s HUGE savings on this software).

Microstrip and Printed Antennas, 2nd Ed.

Randy Bancroft, 2009, List $99, Now $69

Introduction to Antenna Fundamentals (CD)

Steven Best, 2004, List $129, Now $29

Introduction to Antennas (3 CD Set) Steven Best, 2004, List $297, Now $145

The above CD “Intro to Antenna Fundamentals” is included in this set of 3 CDs. Do not purchase both 🙂

Antenna Design and Visualization Using MATLAB 2.0 Elsherbeni & Inman, 2009, List $89, Now $59

Save Now – Electronic Warfare
Introduction to Electronic Defense Systems, 2nd Ed. Filippo Neri, 2006, List $109, Now $69
James Tsui, 2004, List $109, Now $59
Microwave Passive Direction Finding Stephen Lipsky, 2004, List $95, Now $49
Prices are only good until October 31.  We’ll have more titles to share next week!

‘VIRGINIA’-CLASS SUBMARINE PROGRAM SAILS INTO FULL RATE PRODUCTION

The USN’s ‘Virginia’-class submarine program recently achieved ‘Milestone III’ and full rate production approval with the signing of an acquisition decision memorandum by the under secretary of Defense for Acquisition, Technology and Logistics. The achievement of Milestone III coincides with the program transitioning to a schedule involving the construction of two submarines per year, starting […]
The USN’s ‘Virginia’-class submarine program recently achieved ‘Milestone III’ and full rate production approval with the signing of an acquisition decision memorandum by the under secretary of Defense for Acquisition, Technology and Logistics. The achievement of Milestone III coincides with the program transitioning to a schedule involving the construction of two submarines per year, starting in fiscal year 2011. Construction of the first two Block III vessels began in March 2009 (SSN-784) and March 2010 (SSN-785). The seventh ship of the class, the ‘Missouri’ (SSN-780) was commissioned on 31 July 2010. There are five additional ‘Virginia’-class submarines under construction, and six more under contract.

LOCKHEED TO PROVIDE AEGIS COMBAT SYSTEM FOR AUSTRALIA

Lockheed has been awarded a cost-plus-fixed-fee performance incentives contract for post-critical design review (CDR) Aegis combat systems engineering to support the Australian Government. The Australian Government has selected the Aegis combat system for its air warfare destroyer (AWD) program.. Under the $197m foreign military sale, Lockheed will provide combat systems engineering, computer program development, technical […]
Lockheed has been awarded a cost-plus-fixed-fee performance incentives contract for post-critical design review (CDR) Aegis combat systems engineering to support the Australian Government. The Australian Government has selected the Aegis combat system for its air warfare destroyer (AWD) program.. Under the $197m foreign military sale, Lockheed will provide combat systems engineering, computer program development, technical manuals, ship integration and test. The company will also design and build an Aegis weapon system (AWS) based on the US Navy AWS Baseline 7 phase I to support the AWD program. The US Naval Sea Systems Command is the prime contractor and work will be carried out at the company’s facilities in US and Australia. The contract also includes options that, if exercised, would bring the cumulative value to $211m. Work is expected to be complete by December 2014.

NASA Hosting Workshop With Technical Information About Space Exploration

The charts provide a basis for engagement with outside organizations, including international entities, industry, academia and other government agencies. Involving outside groups helps NASA make informed decisions as program objectives and expectations are established. To view workshop presentations, visit: http://www.nasa.gov/exploration/new_space_enterprise/home/workshop_home.html Day 1 briefings will be made available below in PDF format and Day 1 video […]
The charts provide a basis for engagement with outside organizations, including international entities, industry, academia and other government agencies. Involving outside groups helps NASA make informed decisions as program objectives and expectations are established. To view workshop presentations, visit: http://www.nasa.gov/exploration/new_space_enterprise/home/workshop_home.html Day 1 briefings will be made available below in PDF format and Day 1 video will be made available within one week. A New Space Enterprise (PDF, 9.7 MB)Chris Moore (PDF, 2.5 MB) Exploration Technology Development & Demonstration (ETDD); Heavy Lift & Propulsion Technology (HL&PT) > Cris Guidi (PDF, 840 KB) Flagship Technology Demonstrations (FTD) > Mike Conley (PDF, 8.7 MB) Explorations Precursor Robotic Missions (xPRM) > Jay Jenkins (PDF, 2.2 MB) Commercial Crew (CC) > Phil McAlister (PDF, 455 KB) Participatory Exploration (PE) > Kathy Nado (PDF, 500 KB) Panel Q&A/ Wrap-Up > Mike Conley, Douglas Cooke, Cris Guidi, Michael Hecker, Jay Jenkins, Laurie Leshin, Phil McAlister, Chris Moore, Kathy Nado If you enjoyed this information:
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Who invented the metric system?

Mr. Pat Naughtin (who contacted us recently) read Dr. Robert Nelson’s International System Of Units. He also brought up some interesting information on the history metric system to our attention. The three parts of the decimal metric system were originally developed in 1585, 1668, and 1675. Then the three parts were put together in several […]
Mr. Pat Naughtin (who contacted us recently) read Dr. Robert Nelson’s International System Of Units. He also brought up some interesting information on the history metric system to our attention.

The three parts of the decimal metric system were originally developed in 1585, 1668, and 1675. Then the three parts were put together in several different places at a fourth time. The crucial time in the combination of the various ideas that formed the decimal metric system mostly came together in the year 1790. You can read the full article by Mr. Pat Naughin here: http://www.metricationmatters.com/who-invented-the-metric-system.html

This supporting documents could also be of interest:

If you enjoyed this information:


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The View from a Training Manager’s Perspective

This week we interviewed the Training Manager of one of our longtime clients, a major Research and Development Company in the DC Metro area.  For more than fifteen years, this R&D company has trusted ATI to deliver the technical training needed for the success of their projects. ATI has worked hand-in-hand with their Training Department […]

This week we interviewed the Training Manager of one of our longtime clients, a major Research and Development Company in the DC Metro area.  For more than fifteen years, this R&D company has trusted ATI to deliver the technical training needed for the success of their projects. ATI has worked hand-in-hand with their Training Department to present customized, and frequently, repeat installments of popular scientific and engineering courses on-site at their facility.  The conversation outlined the following Top Three Training Challenges she currently faces:

 

 

Challenge #1: Red Tape Bureaucracy!

 

In order to get courses scheduled their company faces a lengthy approval process by committee of their Department heads. They have to analyze each proposed course outline to be certain the course meets particular criteria and is relevant to the company’s current projects to justify the cost. 

 

Challenge #2 Reactive Not Proactive

 

Currently their company does not have an annual Training Needs Assessment. The current protocol is to wait until a supervisor or head of a project says they need a particular type of technical training. Only then does the Department Head generate a Training Needs Assessment to determine 1) What training the group has taken in the past and 2) What course would meet their training objectives so they can successfully complete the project.  Ultimately the reactive system does not allow the Training Manager to anticipate what projects are ahead. Therefore, scheduling the appropriate training proves difficult.

 

There is hope for change in sight. Their Director of Training is to meet with the HR teams assigned to each department to determine what training the employees have had in the past and what training they will need in the future. But change is slow to come (see Challenge #1, Red Tape Bureaucracy!)

 

Challenge #3 Budget Cuts

 

Budget cuts are a problem for them as well. Because of this company’s affiliation with the U.S. government, training dollars are down. In an effort to be more fiscally responsible, training has been cut.

 

Now here’s where you come in!

 

We invite you to participate in this conversation and tell us what training challenges you currently face.

 

After we receive your input, we will continue the conversation in a Training Challenges Part 2 post summarizing your responses and exploring solutions to your training challenges, so we encourage you to weigh-in now so your opinion can be counted!

 

 

To Give Us Your Feedback:

 

Click ‘comment’ below. To post anonymously, feel free to use the name “guest” or “anon”. Your email will not be visible on the blog.

 

 

159th meeting of the Acoustical Society of America (April 19-23,2010)

Acoustical Society of America held 159th meeting on on noise and noise control at Baltimore Marriott Waterfront Hotel in Baltimore, MD on April 19-23, 2010. Lister below are just a few of the meeting’s many interesting noise-related talks. 1) Aviation Engineering: STIFLING THE SONIC BOOM 2) City Noise: IDENTIFYING THE SOUNDS OF CRISIS 3) Human […]
Acoustical Society of America held 159th meeting on on noise and noise control at Baltimore Marriott Waterfront Hotel in Baltimore, MD on April 19-23, 2010. Lister below are just a few of the meeting’s many interesting noise-related talks. 1) Aviation Engineering: STIFLING THE SONIC BOOM 2) City Noise: IDENTIFYING THE SOUNDS OF CRISIS 3) Human Noises: SOUND LEVELS IN THE ARCTIC OCEAN 4) Community Noise Mitigation: PUBLIC OUTREACH WORKSHOP 5) Noise Inside a Car: QUIET CONCRETE ROADS 6) Construction Noise: “NO RACKET” JACKET FOR JACK HAMMER 7) Signal Processing: NOISE FILTERING FOR THE HEARING IMPAIRED 8) Noise in Healthcare Settings: NEW LEGAL STANDARDS 9) More Highlights — OTHER INTERESTING SESSIONS 10) More Information for Journalists ———————————————————- 1) Aviation Engineering: Stifling the Sonic Boom SONIC “PUFF” TECHNOLOGY MAY SPEED SUPERSONIC FLIGHT OVER LAND For the last 40 years, commercial aviation has hit a speed barrier in regulations prohibiting supersonic flight over land. These aim to limit the negative impact of loud sonic booms on populated areas, and current regulations permit commercial supersonic flight only over oceans, significantly limiting the speed benefit from supersonic flight. New aircraft configurations are emerging that are shaped to minimize the shock waves associated with sonic booms and may allow supersonic speed over land. Talk #1aNCa1, “Sonic boom: From bang to puff” is at 8:05 a.m. on Monday, April 19. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa53.html ———————————————————- 2) City Noise: Identifying the Sounds of Crisis ACOUSTIC AND SEISMIC SENSORS IN BALTIMORE HELP SORT COMPLEX CITY SOUNDS Beeping, shouting, construction, the sounds of tires on roads, and other loud noises — all partly masked by mazes of tall buildings — make up the fabric of the modern urban soundscape. To urban sound sleuths such as Donald G. Albert, a scientist with the Engineer Research and Development Center (ERDC) Cold Regions Research and Engineering Laboratory, in Hanover, NH, this complex soundscape is a challenge. He is tasked with developing a way to use sensors to sort out the complex bounce of signals, noise, scattered sounds, echoes, and vibrations in urban environments. Talk #1pNSc1, “Urban acoustic and seismic noise measurements in Baltimore” is at 1:30 p.m. on Monday, April 19. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa238.html ———————————————————- 3) Human Noises in the Arctic LOSS OF POLAR ICE INCREASES BOAT TRAFFIC AND SOUND LEVELS IN ARCTIC OCEAN With the melting of polar ice, never before in modern life has so much open ocean water been accessible in the Arctic. And where there’s water, there is opportunity for commercial shipping, and where shipping lanes emerge, big boats — and big noise — may follow. Talk #1aAO1, “The accessible Arctic Ocean” is at 9:05 a.m. on Monday, April 19. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa26.html ———————————————————- 4) Community Noise Mitigation: Public Outreach Workshop NOISE HAS A PROFOUND LOCAL IMPACT — EVEN IF FEDERAL POLICY DOES NOT Community noise is a major social problem that generally decreases the quality of life for many people in the United States, and it is continuing to grow — especially in major urban areas. In cities like Baltimore, community noise causes a variety of problems for local residents — from simple annoyances to profound negative impacts on human health. The workshop will include a panel of prominent national speakers on community noise control who will make presentations on a variety of topics faced by residents of Baltimore, including the noise situation in Baltimore, desired local government responses, the Baltimore noise ordinance, the Maryland noise control regulation, and the role of federal, state and local governments in addressing community noise issues. The Workshop will also give the first brief overview of a forthcoming National Academy of Engineering study titled “Technology for a Quieter America,” which will be published later this year. ———————————————————- 5) Noise Inside a Car QUIET CONCRETE PAVEMENT IS KEY TO MORE QUIET RIDE The stereo test tells all: You’re in the driver’s seat, buckled in, mirrors adjusted, traffic checked, in gear. Rolling. Cue the sound system, crank the volume, and crank it again. And then crank it again. This simple diagnostic is revealing: If you have to keep turning your stereo up as you drive to hear the music, you likely have “noisy pavement” under your tires. April 19. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa210.html ———————————————————- 6) Construction Noise QUIETING THE SOUNDS OF PROGRESS — THE “NO-RACKET JACKET” New York City is constantly maintaining, repairing, and reinventing itself, ongoing work that creates a lot of construction noise. However, a collaborative team including the New York City Department of Environmental Protection (DEP), consultants, utilities and an equipment vendor are working together to quiet the sounds of progress and improve the quality of life for those who live and work in the city. In furthering the city’s commitment to reducing noise is embodied in a new noise code and new construction rules, the DEP team wanted to look at ways to eliminate jackhammer noise — an annoyance for residents and businesses and an important occupational hazard for construction workers. Talk #2pNCa9, “Proactive regulation engenders creative innovation: Quieting the jack hammer” is at 3:00 p.m. on Tuesday, April 20. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa478.html ———————————————————- 7) Signal Processing: Noise Filtering for the Hearing Impaired A SOLUTION FOR IMPROVING SPEECH INTELLIGIBILITY FOR THE HEARING IMPAIRED Recall what it is like trying to focus on a conversation in a crowded and noisy bar — and then imagine having to do this even in a relatively quiet room. This is exactly the challenge that faces many people who rely on hearing aids or have cochlear implants. While these technological advances make it possible for many to hear who would not otherwise, they do not allow the individual to filter out background noise. Talk #2aSC1, “Noise-suppression algorithms for improved speech intelligibility by normal-hearing and cochlear implant listeners” is at 8:05 a.m. on Tuesday, April 20. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa410.html ———————————————————- 8) Noise in Healthcare Settings NEW ACOUSTICAL STANDARDS PRESENT BOTH CHALLENGES AND OPPORTUNITIES A pair of new documents on healthcare acoustics, which have just been released after five years of peer review and public comment, are described by one of their authors as both a carrot and a stick. They set measurable minimum acoustical standards for the health care industry, and because these new standards have already been adopted by the Leadership in Energy and Environmental Design (LEED) Green Building Rating system, they are the basis for two new Environmental Quality credits. Because of Health Insurance and Portability Act (HIPAA) rules and new conditions imposed last November by Obama’s ARRA HITECH Act, there are serious fines (up to $1.5 million) for non-compliance. Talk #2aNSc11, “Strengthening the healthcare guidelines: About the new online research community” is at 11:40 a.m. on Tuesday, April 20. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa369.html Talk #2pAAa1, “Speech privacy: The new 2010 architectural guidelines” is at 1:00 p.m. on Tuesday, April 20. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may10/asa438.html ———————————————————- 9) MORE HIGHLIGHTS — OTHER INTERESTING SESSIONS ON NOISE In addition to the highlighted talks above, there are many other interesting noise-related talks and sessions at the meeting — some of which are listed below. For a complete list of abstracts for any of these sessions, go to the searchable index for the 159th Meeting (http://asa.aip.org/asasearch.html) and enter the session number with asterisk (e.g., 1aNSa*).

NASA Is To Use Social Media: Open Government Plan

NASA recently embraced open government plan (see the plan here). This is great news for anyone interested in space exploration! The new plan will enable the public to communicate directly with NASA scientists as well make suggestions and propose solutions to everyday challenges of various projects. Whether NASA is using social networks to allow students […]
NASA recently embraced open government plan (see the plan here). This is great news for anyone interested in space exploration! The new plan will enable the public to communicate directly with NASA scientists as well make suggestions and propose solutions to everyday challenges of various projects. Whether NASA is using social networks to allow students to interact directly with astronauts or creating a Cloud Computing Platform to give unprecedented access to scientific data, NASA has embraced Open Government. Our founding legislation in 1958 instructed NASA to “…provide for the widest practicable and appropriate dissemination of information…” The principles of Open Government have been embedded in NASA operations for 50 plus years. This plan is our start in revisiting these concepts and creating a new level of openness and accountability in our policies, technology, and overall culture. The plan will evolve over time as we continue to see success in these areas and work to replicate it throughout the Agency. The NASA Open Government Plan is divided into two main sections: the “Framework and Leadership” section and 25 fact sheets. The “Framework and Leadership” section describes NASA’s history of openness and outlines our framework for approaching Open Government. This framework is based on: a perspective of continuous learning; integration of policy, technology, and culture; and the rapidly changing external environment. We believe that integrating Open Government Principles into existing systems (e.g., governance councils and performance management system) provides the best framework for success. Through this plan we establish a solid foundation for institutional change based on the five NASA Open Government principles: Increase Agency transparency and accountability to external stakeholders. Enable citizen participation in NASA’s mission. Improve internal NASA collaboration and innovation. Encourage partnerships than can create economic opportunity. Institutionalize Open Government philosophies and practices at NASA. The 25 fact sheets in this plan highlight specific activities at NASA that meet and, in many cases, exceed the requirements Open Government Directive. Three “Flagship” initiatives describe NASA’s most recent efforts and commitment that take Open Government to a new level. Each “Flagship” initiative focuses on one of the interconnected tenets of Open Government: Policy: NASA is working to make open source software development more collaborative at NASA to benefit both the Agency and the public. Technology: NASA Nebula, the U.S. government’s only cloud computing platform, offers an easier way for NASA scientists and researchers to share large, complex data sets with external partners and the public. Culture: The creation of a new NASA Participatory Exploration Office will infuse more public participation into NASA’s mission. In addition to the “Flagship” fact sheets, this plan highlights four other new initiatives that demonstrate how NASA is more open and participatory, such as NASA’s contributions to Data.gov and Open Innovation Pilots. More than half of fact sheets outline ongoing initiatives at NASA that have been in place for some time and our efforts to make them even more open and collaborative. Some fact sheets describe ongoing activities unique to NASA that showcase our history of giving the public open access to our missions such as NASA TV and opportunities for public participation and collaboration such as Education Activities and Centennial Challenges, NASA’s prize program. Other fact sheets describe areas that apply to all Agencies, such FOIA, Congressional outreach, declassification, and records management. All of the initiatives, both new and ongoing, described in this plan outline how these areas will make improvements in the Open Government principles in the short and long term. In addition to the “Flagship” fact sheets, this plan highlights four other new initiatives that demonstrate how NASA is more open and participatory, such as NASA’s contributions to Data.gov and Open Innovation Pilots. More than half of fact sheets outline ongoing initiatives at NASA that have been in place for some time and our efforts to make them even more open and collaborative. Some fact sheets describe ongoing activities unique to NASA that showcase our history of giving the public open access to our missions such as NASA TV and opportunities for public participation and collaboration such as Education Activities and Centennial Challenges, NASA’s prize program. Other fact sheets describe areas that apply to all Agencies, such FOIA, Congressional outreach, declassification, and records management. All of the initiatives, both new and ongoing, described in this plan outline how these areas will make improvements in the Open Government principles in the short and long term. The fact sheets all follow the same structure to enable easier browsing and comprehension. Each one is written by the respective initiative, project, or program giving them the opportunity to communicate what they do, how it fits into Open Government, their goals for the next two years, useful links, and two anecdotes that embody Open Government. The Web site www.nasa.gov/open/plan has the entire plan online, where each fact sheet is its own Web page. The Open Government Directive calls on NASA to do what it does best-innovate. In our history, we have achieved seemingly impossible goals, from reaching the Moon to advancing fundamental knowledge about our place in the universe. In the past we would create the technologies to achieve these goals through internal teams and collaborations. NASA must now innovate how we innovate, focusing on technologies that advance humanity into space while more directly involving citizens and public-private partnerships. The Open Government Directive also calls on us to change the way we do business, and as a result turn us into a twenty-first-century space program for a twenty-first-century democracy.

Comments From Environmental Scientist On Reducing Low-Frequency Home Noise and Vibration

Well, we seemed to have hit a nerve with our series of posts on Reducing Low-Frequency Home Noise and Vibration: https://aticourses.com/wordpress-2.7/weblog1/?p=501 https://aticourses.com/wordpress-2.7/weblog1/?p=508 https://aticourses.com/wordpress-2.7/weblog1/?p=512 https://aticourses.com/wordpress-2.7/weblog1/?p=529 The comment below came from a wonderful gentleman willing to help a fellow human being. I am an environmental scientist, and have been involved in the wind energy industry where this […]
Well, we seemed to have hit a nerve with our series of posts on Reducing Low-Frequency Home Noise and Vibration:

The comment below came from a wonderful gentleman willing to help a fellow human being.

I am an environmental scientist, and have been involved in the wind energy industry where this is also an issue. The problem is uncommon, with less than 1% of the general population able to detect LFS (Low Freq sound – less than 20 Hz) dominated by people over the age of 50, and two thirds are women. So you are not imagining the issue, but keep in mind that it is unlikely that it is your ears that are detecting the sound, and that LFS behaves very differently than audible sound does.

I find your solution to be very innovative, and supported by some excellent work by a retired Univeristy Prof (Dr Barnes) in London, England. He obtained a microphone and laptop datalogger and wandered the city obtaining background readings. One of his more interesting observations was that background LFS declined after heavy trucks passed when near high traffic roads. This suggests that LFS can be neutralized by other LFS sound.

I am no sound expert, but this is the only solution I have ever read about. It is basically the “white noise” approach used for audible sound, but in that case the goal is to increase the individuals toleration for the sound (which is how white noise works, by raising our detection threshold) but rather to distrupt and decrease the level of LFS inside your house, by increasing the levels of LFS generated inside the house.

I know this sounds a bit out there, but read a few of the other accounts given on this page, for example the one where the hum returned after a new water heater was installed. The owner blamed the new water heater as the source, but it may very well have been that the old heater was “noisy” enough to have created the interference with the LFS. Getting the new heater to run better would of course just make the problem worse.

So I put this idea out there. If you can generate a background inaudible “sound” of less than 20 Hz inside your house, using the technique described above, and play it over and over, it could disrupt the LFS being generated by the house. This could require a specialized “woofer” type of a speaker. If anyone tries this, I would be very interested in the result.

Good Luck D

Senators urge President Obama to re-evaluate his proposed cancellation of the Constellation program

U.S. Senators Mark Udall and Michael Bennet met with NASA Administrator, General Charlie Bolden, to urge President Obama to re-evaluate his proposed cancellation of the Constellation program. See some of the earlier posts below, both pro and con, by students and instructors of ATI’s Space and Satellite professional development classes and training seminars. The Senators’ […]
U.S. Senators Mark Udall and Michael Bennet met with NASA Administrator, General Charlie Bolden, to urge President Obama to re-evaluate his proposed cancellation of the Constellation program. See some of the earlier posts below, both pro and con, by students and instructors of ATI’s Space and Satellite professional development classes and training seminars.

The Senators’ letter to President Obama follows:

April 12, 2010 President Barack Obama The White House 1600 Pennsylvania Ave. NW Washington, DC 20500

Dear Mr. President: As you prepare for the April 15th conference on America’s future in space, we want to share our thoughts with you on the proposed budget for the National Aeronautics and Space Administration (NASA) for fiscal year 2011, as well as outline some goals for a shared vision for the future of space exploration. While there is much to like in the proposed FY11 NASA budget – including new investments in science and aeronautics research, extension of the International Space Station (ISS) through 2020, and an additional $6 billion over five years largely for development of new space exploration technology – the cancellation of the Constellation program raises many concerns. For Colorado – where the Orion capsule is being developed – this move would lead directly to the loss of over 1,000 jobs and indirectly to thousands more. More broadly, we are concerned that a reliance on unproven commercial providers for U.S. access to low Earth orbit (LEO) compromises America’s leadership position in space. It is also unclear what, if anything, will become of the significant investment in Constellation to date.

We strongly support development of commercial launch capabilities and space services. Colorado is home to many companies on the cutting edge of aerospace, two of which recently won NASA contracts to further the commercial sector’s capability to support transport of crew to and from LEO. We look forward to the day when the commercial sector can provide these services, freeing NASA to focus on development of new exploration technologies and human missions beyond LEO. However, the proposed NASA budget presumes that day is close at hand even though the commercial sector has yet to prove it can safely put a human into orbit. Should they fail to deliver, America will be reliant on Russian-procured launch services to ISS and LEO for the foreseeable future. This is an unacceptable position for the security of the nation.

The decision to terminate NASA’s development of a follow-on to the Space Shuttle has other important implications for our national security. The Department of Defense (DOD) is currently examining the impact of this decision on the U.S. space launch industrial base. We rely on this industry to sustain our strategic deterrence mission and to assure access to space through launch programs. DOD officials have stated that Constellation’s cancellation could increase the current price of propulsion systems for our launch vehicles. We understand that a DOD assessment of launch program cost impacts will not be completed until summer 2010, but it seems clear that the cancellation of Constellation will result in at least some of the costs of overhead and underutilized industry resources being passed on to DOD. As DOD does not yet fully understand the impacts on its space launch programs of cancelling Constellation, we are concerned the decision to end the Constellation program is premature.

We recognize that there are significant obstacles you must overcome with the Constellation program as it is currently configured, not the least of which is chronic under-funding. The blue-ribbon commission you convened to study options for the future of human spaceflight began its report by saying, “The U.S. human spaceflight program appears to be on an unsustainable trajectory. It is perpetuating the perilous practice of pursuing goals that do not match allocated resources.” However, we believe there is a way forward that balances stimulation of commercial service providers with the proven capabilities of NASA and its industrial partners, a way that responsibly uses limited taxpayer dollars and allows NASA to continue to serve as an inspiration to future generations of scientists, engineers, and explorers. We hope you will use the April 15th forum to describe in more detail how you plan to maintain America’s leading role in space exploration, and look forward to working with you on a NASA budget that reflects that commitment.

ATI’s Space Industry Professionals Weigh-In: Obama’s Decision to End NASA’s Constellation Program (Part 3)

Please click here for previous parts of this post Part 1 Part 2 Undecided explanatory comments of how this change will affect NASA and Manned space exploration: ________________________________________________________________________ “There are many who believe, some passionately, that most of NASA’s money spent on manned space flight has been a waste. Robotic space has high pay-offs, at […]
Please click here for previous parts of this post Part 1 Part 2

Undecided explanatory comments of how this change will affect NASA and Manned space exploration: ________________________________________________________________________ “There are many who believe, some passionately, that most of NASA’s money spent on manned space flight has been a waste. Robotic space has high pay-offs, at far less bucks for the results. Manned (and even that term is not PC) space flight has been a massive make-work program for a few privileged companies. Romantic, yes. Eye-candy, yes. Spectacular, yes. Sometimes of political advantage, yes. Sensible, in the larger scheme of things? Now that would be worth serious debate.”

ATI encourages further participation from both the public and private sectors to continue this important and controversial debate.

ATI is planning a follow-up poll after the President’s April 15th conference on NASA’s future where he will outline his strategy for the next step in space exploration. Jenkins says, “It will be interesting to see if any opinions shift after the President details his strategy for the future of space, since those details have yet to be presented beyond his 2011 Fiscal Budget Plan.”

The Applied Technology Institute (ATI) specializes in professional development seminars in the technical areas of space, communications, defense, sonar, radar, and signal processing. For over twenty-five years, ATI has presented leading-edge technical training to defense and NASA facilities, as well as DoD and aerospace contractors. ATI courses provide a clear understanding of the fundamental principles and a working knowledge of current technology and applications. ATI has the unique capability to schedule and deliver courses in a matter of weeks. They offer customized on-site training at your facility anywhere in the United States, as well as internationally and over 200 annual public courses in dozens of locations. World-class design experts lead courses. To register or for an on-site quote, call (888) 501-2100, or visit them on the web at www.ATIcourses.com

ATI’s Space Industry Professionals Weigh-In: Obama’s Decision to End NASA’s Constellation Program (Part 2)

For Part 1 of this post please click here Explanatory comments in opposition of how this change will affect NASA and Manned space exploration: ___________________________________________________________________________________________________________________________________________ “The new Obama space plan will definitely hurt manned space exploration. In this area, as in others, Obama is a leader who lacks vision.” ___________________________________________________________________________________________________________________________________________ “The Obama space plan doesn’t […]
For Part 1 of this post please click here

Explanatory comments in opposition of how this change will affect NASA and Manned space exploration:

___________________________________________________________________________________________________________________________________________ “The new Obama space plan will definitely hurt manned space exploration. In this area, as in others, Obama is a leader who lacks vision.”

___________________________________________________________________________________________________________________________________________ “The Obama space plan doesn’t appear to be a plan at all. He apparently wants to eliminate existing plans to use the Moon as a staging area for future space exploration, while at the same time eliminating heavy-lift launch capability. That would be the death-knell for future manned space exploration.” “Although unmanned scientific space missions would continue under the Obama plan, it is not clear how much support unmanned missions would receive in the future. Obama is of the opinion that the U.S. space program has had low return on investment. That notion is standard liberal poppycock. Estimates of the net loss in jobs (5000 – 7000 jobs lost) are probably low. The actual net job loss would likely approach 10,000.”

___________________________________________________________________________________________________________________________________________ “I believe we need to maintain the space program at this current level at the least. That includes launching, space science and the manned space program using our own launcher. I do not believe it is good policy to rely on the Russians to put us in space. “No, I do not support that plan.”

___________________________________________________________________________________________________________________________________________ “No….I feel this will put an end to manned space flight outside of LEO for the US. Doesn’t bode well for servicing mission to the Webb Telescope (that would be a know need), let alone any further exploration and experience outside of LEO. There is no money in the budget to pursue both, technology leaps would have occurred if they were remotely feasible. It is a tremendous waste of taxpayers’ money and the skilled workforce will take a generation to recover if this in fact happens, as the Aerospace and NASA industry is already aging.”

___________________________________________________________________________________________________________________________________________ “NO. The way forward is ill-advised. Many programs now mentioned in the President’s budget are low-hanging fruit, having been worked on within NASA for years and should now be given to the commercial world. NASA should keep in part Human Spaceflight (HSF) as a major infrastructure issue, not unlike highway and air traffic systems. The US government must stay involved for development in a safe and sustained way (when BIG government works best) without competing with commercial space market. It is good to have commercial know-how, but for the overarching system, the US government must provide goals and leadership in concert with the desires of the nation. The NASA budget is very modest compared to expenditures of recent Administration commitments, and a parallel manned system to commercial HSF systems is the way to maintain American manned access to space. The AF has assured access to space through EELV. Surely another government agency should ensure human access to space. It seems that NASA has now trepidation for the future of human spaceflight and space development, so perhaps another civil agency such as the FAA Office of Commercial Space should undertake this bold challenge (?) to balance both commercial and civil HSF systems ensuring our (US) economic growth in space. The US is the only country with budgets large enough to do the tough infrastructure development that lay the foundation for the economic development of space—from which later the American economy can be rewarded. There will be no quick ROI from space—more of long term growth, long term development (10-20 years), with funding consistency, like the utilities industry. And funding must remain predictable and consistent for commercial planning purposes. The question should be ‘Is NASA able to give consistent and solid leadership to continue our American heritage in space?’—manned, unmanned, and safe? And a question for later, how will the commercial development of space be protected from pirates, terrorists, space debris, sabotage, early warning of solar and radiation effects, which provide other opportunities for entrepreneurial developments. This year NASA is losing its importance as a global leader in space exploration at its own hand. Commitments made and not followed through, and a past history of elbowing the US industry out of ‘competition’ has hurt the NASA image. So less government commitment for space exploration is occurring as a solution. NASA should look internally to understand this failure. I am reminded of Apollo 13 and how failure then was never considered an option, against all odds. And yet here we are—NASA withdrawing in failure. Failure to stand up and fight for the budgets it requires to ‘do the hard things’. NASA in the past has competed with the commercial space launch business and industry scientists and PI’s, and would not fund commercial ideas—but they would take commercial concepts for their own without cutting out work for the originator of the idea . This created a reluctance to partner with NASA and dependence and reliance on NASA and only NASA–within the nation and world-wide—for programs which NASA could not deliver at costs they could not determine and later could not afford. NASA has defeated free market access and commercial enterprise interest in space development for years although persistence and unlimited private funding has begun to grow this market segment even before the Augustine panels and report. NASA created a dependence on solely themselves for manned access to space, access to ISS for the US and the world (solely through the Russians or NASA), SCRAMJET technology development through them, data from any sensors in solar system explorations and earth remote sensors only built by them and collected by them (JPL is NASA). With so much now depending on ‘them’, the President by advice of OSTP and NASA top management has decided to abdicate. NASA as an agency should have been in commercial partnerships all along. Now is not the time to withdraw from manned spaceflight leadership. We still need an alternative to the commercial spaceliners. And there was a successful demonstration on October 28, 2009 of a system that can parallel commercial market development. A major mishap will set back the commercial side of a manned program. Big government has to remain in the game to keep the manned space efforts filled with substance safely. These programs belong to the American taxpayer regardless of whether NASA funds commercial business or does it themselves. If anyone with an ‘inside the beltway’ address will be open to hear, maybe the taxpayer should decide the priorities for funding. For the billions of dollars in funding that NASA has received in the last 3 decades, there is little space transportation growth to show except for science projects to Mars and the outer planets. Manned spaceflight has been stuck in LEO. And it will take manned spaceflight to grow a viable economy in space. It will take NASA in partnership with the innovation of industry to ‘unstick’ us safely out of earth orbit in order to visit our solar system and learn more about potential threats outside of earth’s magnetosphere. And both NASA and the commercial space efforts need sustained and predictable funding for years to come to be successful.”

___________________________________________________________________________________________________________________________________________ “Working in this industry here at Cape Canaveral Florida, I know the dedication of the work force and the passion for what is done. We follow in the legacy of the “Steely-eyed Missile Men” that achieve the greatest feat of the 20th Century, landing a man on the moon. Look at the technology that came from that effort in just a short 10 year time span. Technology that the planet runs on everyday. We created, built, and integrated that technology that achieved a goal landing in the Moon within a ten year period. Even though we may not be at the pinnacle of that feat now, we never the less still need to at least continue to provide our (the United States) own transportation to the International Space Station. Going back to the Moon may not be a high priority right now, so why not scale back Constellation to provide assured access to the space and keep our experienced work force intact to help build the future of human space flight. But to stop dead in your tracks and start all over is wrong and then to rely on the Russian to provide transportation to the Space Station, ironically in a rocket that traces it heritage back to Sputnik! Yes, the Russian have relied on ONE launch vehicle for human space flight over the past 50 years, even though they failed at a few others. The United States has used six different launch vehicles over that same 50 year period and by the end of this year we will have NOTHING to fly to space and no capability of resurrecting any of those past 6 vehicles to get up to orbit. Even though ARES-1 isn’t the best option, NASA should reorganize and expedite the ARES-1 and Orion development to become strictly an ISS transportation vehicle. Then build off of their lessons learned as to develop the future manned spacecraft and launch vehicles. I grew up with the space program, watching the Apollo missions on TV as a kid and it was those conquests and achievements that encouraged me to become an engineer. But now we’ll have nothing for the future generation to watch, admire, and to encourage them to pursue math and technology in school. Ask them who invented the technology for their fancy video games, they’ll say the Japanese. They don’t even now that the origins of integrated circuit is America’s Space Program. We need something for those kid to see and encourage them, watching a rocket the Americans designed and built flying to space will interest them more than some 100 page report from some PhD on the next manned spacecraft design, filled with “if we do this” or “if we do that” statements. Not sure what the future generation will want to be when they grow up, but chances are it won’t be mathematicians and engineers. So we’ll have to rely on the countries to fill those jobs just like we’ll rely on Russia to take US Astronauts to the ISS… BUT AT LEAST WE’LL HAVE HEALTH CARE!” “White House plans to cancel the Constellation moon rocket program could jeopardize U.S. leadership in space exploration. Criticism, from both Republicans and Democrats, underscores the difficulty that President Barack Obama faces in convincing Congress of his plan, which would terminate Constellation and instead rely on commercial rockets or on Russia to ferry astronauts to the International Space Station. “It could leave our country with no human exploration program, no human-rated spacecraft and little ability to inspire the youth of America,” said U.S. Rep. Gabrielle Giffords, the Arizona Democrat who chairs the House subcommittee on Space and Aeronautics.”

___________________________________________________________________________________________________________________________________________ “The plan to go to Mars and abandon the moon will put manned exploration beyond low earth orbit behind by 2-3 decades. The VASIMR propulsion technology is decades away from being able to send any appreciable mass to the red planet. Nuclear reactors in space needed for the VASIMR plasma engine have been abandoned since the seventies and need to be reconstituted needing significant time to get to a working level for either test or even flight. Without Constellation there will be no capsules or other manned craft for an appreciable time. No heavy lift vehicle is even close to the drawing board as well. It is a presidential blunder of enormous magnitude – on scale with the unilateral decision to invade Iraq.”

___________________________________________________________________________________________________________________________________________ ATI encourages further participation from both the public and private sectors to continue this important and controversial debate.

ATI is planning a follow-up poll after the President’s April 15th conference on NASA’s future where he will outline his strategy for the next step in space exploration. Jenkins says, “It will be interesting to see if any opinions shift after the President details his strategy for the future of space, since those details have yet to be presented beyond his 2011 Fiscal Budget Plan.”

The Applied Technology Institute (ATI) specializes in professional development seminars in the technical areas of space, communications, defense, sonar, radar, and signal processing. For over twenty-five years, ATI has presented leading-edge technical training to defense and NASA facilities, as well as DoD and aerospace contractors. ATI courses provide a clear understanding of the fundamental principles and a working knowledge of current technology and applications. ATI has the unique capability to schedule and deliver courses in a matter of weeks. They offer customized on-site training at your facility anywhere in the United States, as well as internationally and over 200 annual public courses in dozens of locations. World-class design experts lead courses. To register or for an on-site quote, call (888) 501-2100, or visit them on the web at www.ATIcourses.com

“Green” Peace and Quiet: new noise source (the light rail train) in Seattle

Light Rail has arrived in Seattle. The first link, a 14-mile electric railway system, opened in July 2009, making access from South Seattle to the downtown core, easier and more efficient. The ability of a light rail system to run along streets and share space with road traffic makes it an ideal choice for an […]
Light Rail has arrived in Seattle. The first link, a 14-mile electric railway system, opened in July 2009, making access from South Seattle to the downtown core, easier and more efficient. The ability of a light rail system to run along streets and share space with road traffic makes it an ideal choice for an urban setting. Seattle’s new light rail operates on embedded tracks at street level, along elevated structures and through tunnels. This study focused on the street level segment and the potential increase in noise levels for residents along the alignment. In order to accommodate the light rail, an arterial through Seattle’s Rainier Valley neighborhood was widened to allow the trains to travel down the center of the roadway. Not only did this introduce a new noise source (the light rail train) into the community, it also slightly increased existing traffic noise as the widening of the street relocated traffic nearer to the homes. Figure 1 shows the configuration of rail and traffic and the proximity to residences.
Figure 1. The light rail travels down the center of the road Studies were conducted to predict the level of increased noise for homes along the alignment. The metric used to define the light rail noise was the Day-Night Level (Ldn). This metric is based upon a 24-hour average of sound with a penalty added to any sounds occurring between the hours of 10:00 PM and 7:00 AM. The penalty is intended to reflect a higher sensitivity to noise during typical sleeping hours. The traffic noise metric was based upon an hourly Equivalent Level (Leq), which is the average sound in a one-hour period. The loudest hour is used to assess impact. The initial program included 137 residences, with predicted exterior sound levels due to the project, that were high enough to be considered “impacted”. Sound Transit, the local Transit Authority, received a grant from the Federal Transit Administration (FTA) to launch a Residential Sound Insulation Program (RSIP), designed to reduce transportation noise intrusion into homes. Each home received an acoustical audit to measure the level of sound insulation provided by the existing construction. Figures 2 and 3 demonstrate two approaches to measuring the sound insulation properties of window elements.
Masurement approach #1


Masurement approach #2

Read more here

Where Would You Go for a UAS Course in the Washington, DC Area? Washington, DC Monday, March 29, 2010

Where Would You Go for a UAS Course in the Washington, DC Area?
Where Would You Go for a UAS Course in the Washington, DC Area?

New Technology Training so YOU Can Gain Knowledge about this Growing Field. Can you picture yourself as an office stand-out in Unmanned Aircraft Systems (UAS)? Wouldn’t you like to gain first-hand knowledge of their capabilities? Or be an expert in this exciting field of technology? UAS applications are growing and now include agriculture, communications relays, aerial photography, mapping, emergency management, scientific research, environmental management, and law enforcement. In fact, the Teal Group’s 2009 market study estimates that UAV spending will almost double over the next decade, from current worldwide UAV expenditures of $4.4 billion annually, to $8.7 billion within a decade. They are coming to an airspace near you. Our one day short course is designed for busy engineers, aviation experts and project managers who wish to enhance their understanding of UAS without missing much time from work. You will receive technical training and practical knowledge to recognize the different classes and types of unmanned aircraft vehicles (UAV). You will not only learn to interact meaningfully with your colleagues but also master the terminology of today’s complex systems. Course Outline, Samplers and Notes The complete course includes the following information and more: • History and development of UAS • Characteristics of the Raven, Shadow, Scan Eagle, Predator and Global Hawk • Descriptions of various UAV sensor payloads (EO/IR, Radar and SAR) • UAS Gaining Access to the National Airspace System (NAS) • UAV videos, see them in the air and in action But don’t take our word for it; see for yourself the value of our courses before attending. Check out our samples (See Slide Samples) of the course materials. After attending the course you will receive a full set of detailed notes from the class for future reference, as well as a certificate of completion. Please visit our website for more free and valuable information. About ATI The Applied Technology Institute (ATI) specializes in short course technical training in space, communications, defense, sonar, radar, and signal processing. Since 1984, ATI has provided leading-edge public courses and on-site technical training to defense and NASA facilities, as well as DOD and aerospace contractors. About the Instructor Mr. Mark N. Lewellen has over twenty-five years of engineering experience and is co-founder of RMT Spectrum Associates, Inc. He has successfully advocated technical and regulatory solutions as a member of formal US delegations at over forty international meetings. More recently, he has added UAS to his field of expertise. Date, Time and Location ATI proudly announces the next presentation of his new UAS class at 8:30am on June 15th, 2009 in Beltsville, MD. Sincerely, The ATI Courses Team P.S. For registration: Call today at 410-956-8805 or 888-501-2100 or go online now at www.aticourses.com

More Information On Reducing Low-Frequency Home Noise and Vibration –

We received a question from a consumer regarding low-frequency home and vibration. After a response from expert staff of Acoustics and Noise instructors and a few additional posts on this general topic of interest, the response below came from the original consumer. Dear Sir, Here is my reply. You asked for it, and it is […]
We received a question from a consumer regarding low-frequency home and vibration. After a response from expert staff of Acoustics and Noise instructors and a few additional posts on this general topic of interest, the response below came from the original consumer.

Dear Sir, Here is my reply. You asked for it, and it is lengthy. I am so grateful that you all are taking your time to give me your suggestions. I think a probable low frequency noise source, in addition to the trains, and obvious manufacturers’ noises, could be an asphalt batch plant that is located just behind our neighborhood. I drove by and listened and it is quite noisy with its clattering conveyer belts, giant blower, and the huge rotating mixing bin. I doubt we could have any influence on quieting such an operation. When we moved into our present house this plant was hidden by trees. Now that the leaves are gone, it is easily seen. Let the renter beware! We have tried all the things that were suggested in your e-mail. White noise machines and fans just added noise to the home and was not the solution I needed. The best brand of ear plugs worked well, but are kind of dangerous when you need to listen to what is going on in the house at night….like when someone might be sick and need help. ( mothers can appreciate this reason), or a tornado siren, etc. My husband must sleep and so I have the “night watch”. .The Bose headphones (thanks Grandma) did not do a thing for the low frequency, but one of my sons is enjoying them tremendously now for listening to music. I hate that she wasted so much money on something that didn’t work. I, too, have wasted lots of money buying several bundles of Fibrex to use as “bass traps” of sorts thinking that it might help. It did not. We did the realtor thing also. We moved from our first house recently. That house has its own story. We had moved to this town from out of state and did not know much about the area. Well, the house we bought was down the street from a gas well compressor. It was hidden in a wooded area and we did not know about it. Who would ever think that such a thing as a gas well compressor would be in a neighborhood…..only in Texas. The days we viewed the house happened to be some of the few days a year that the compressor was down for repairs or maintenance. On closing day when I walked up the stairs to turn the key in the door, I said to my self, “What is that noise.” After searching the neighborhood, we discovered the culprit to be a very old noisy natural gas driven compressor on a gas well. I fought that oil company for a long time and only was successful getting them to put up a wooden fence that did absolutely no good. Oil companies are King around here. They always expressed to me that they were compliant. They were, but this city has wimpy standards and codes that do not measure low frequency. We had spent lots of time, sweat, tears and money fixing up “this old house” and we did not want to move. We had redone the wooden floors ourselves, and I did not want to cover them up with carpet, even though that might have helped with the sound. We couldn’t afford to change out the old windows that were huge and had just been refurbished by me. Our home was built in an L shape facing the compressor. This was perfect for capturing the “waves”. They came right in through our large glass windows. In addition to that, there were metal awnings over each window acting like ears to reflect the sound in through the single pane windows. (I had refurbished those as well) The neighborhood was refreshingly quiet on the few days that “The Beast” was off for one reason or another. After three years of torment, the for sale sign went up. We disclosed the noise ( which probably brought our home value down) to the new buyer. She was not home much of the time anyway so she was not as bothered by it. The search for a quieter place was on. We were scared to think of buying again without knowing if “the sound” would be in that area too. , “ I had gone to look at houses for sale, just to see if I could hear how the house “sounded” and just to “test” a neighborhood. We decided just to rent. Little did we know that rental homes that are large enough for our family of six and that are in our price range are extremely hard to find in our town. We ended up having to grab a house when it became available just to get a decent place to live. As it turns out, we ended up moving from one frying pan to another frying pan so to speak. We have now been living in this rental for ten months and we are still plagued with noise problems. I say we because even though the others of our household are not as sensitive to LFN as I am, they still have to live with someone (the mom) who is and whose daily life is not as efficient as it could be were I able to sufficiently rest and relax. I went with our church on a mission trip to Mexico a couple of years ago. While up in a quiet mountain village, I discovered how wonderful peace and quiet were, and I realized just how much that LFN affected me while living in our bombarded home. Since we now rent, I can’t beef up the windows, but I have heard that double panes do not help with low frequency anyway. I’ll try to make a window plug to see if that helps. I can’t run the TV “off channel” because we need to concentrate and study at home. We are one of those homeschooling families. Also, that noise is annoying to my teenage daughter and me. You asked about whether or not other neighbors have had the same problems as I. I can’t tell you that. We haven’t gotten to know our neighbors very well yet. There are some factors to remember when questioning the neighbors about noise problems. Many in our neighborhood are retired and wearing hearing aids. They, of course, do not have problems with the noise. Second, if they did hear the offending frequency, they would be hesitant to say so in fear that this information might be something that could “go public” and cause their home values to go down. Third, low frequency noise is most often a source of annoyance to those fifty and older (I give away my age). The younger ones in the neighborhood have not yet reached that point. On a side note, there is an old man in the neighborhood who sits out in his attached garage with the garage door up for many hours a day. He will even sit out there when it is 100 degrees outside. I am just curious if he has a problem with LFN and is trying to escape it as I am. By the way, when I am out working in my ten by twelve foot shed (made of that composite siding stuff and sitting on wooden skids) I can’t hear or feel the vibration. This makes me wonder if the noise could be possibly ground borne. The LFN does seem to be worse when it is raining…..hum….saturated soil conducts noise very well doesn’t it. If the LFN was ground borne, would ….putting down a wood or laminate flooring that had a good coating of Green Glue behind it help. Is there any conclusive way to determine if LFN is indeed coming through a concrete slab? (I know this is some of that thousands of dollars of advice coming my way.) As was suggested, I am going to try to decouple the bed from the floor. I’ll order some sheets of sorbothane for that purpose. They are supposed to work better than rubber. What kind of instrument would measure the wall or slab vibrations? My son, who is now an engineering major (ME), once measured the sound with a microphone on his computer. Using music recording software, he measured the frequencies from 30 to 60htz or so. He had fun isolating the sound and turning it way up for all to hear and feel till we yelled at him to shut it off….ah teens. He captured it in the tile shower. So I know it is “out there” and not just “in my head”. It could be that I am one of those “hummers”. Read about them online. They can hear the Kokomo Hum, the Taos Hum, the London Hum, etc. There is even a low frequency sufferer’s society. This is your market for whoever invents a comfortable low frequency blocking head gear that can be worn at night. This wouldn’t block (as ear plugs do) the types of noise that parent’s need to hear at night. I would be interested in any tests like the one that one of the teacher’s mentioned ….measuring the frequency outdoors and comparing it to the indoor reading. I guess I just have to rent a device that measures what I need to measure. We would like to move, but as I said previously, I would not like to buy a home without knowing that I can block the offending noise that this town seems to produce whether from trains, underground gas pipes, well drilling, or chemical and manufacturing industries, etc. If we were to rent, we could not spend lots of money to “treat” the house for LFN. My husband likes his job and would like to stay in the area if possible. Me, I’d rather move to a small mountain village in Mexico. Or until then, I’ll just sleep with a pair of sorbothane shoe insoles smashed over my ears. I am glad you are teaching classes to train engineers in ways of mitigating noise and vibration, because ultimately these problems have a personal side and a personal face. If I have been a “textbook” case for you then so be it, and may you all become the best problem solvers in this area. If any of you have any other suggestions for me, send them my way. If you solve my problem, then my hat is (or should I say ear plugs are) off to you. Please do not share my e-mail address with the masses. My humble thanks, C

ATI To Introduce Custom Mugs and T-Shirts

Here at ATI we have a healthy sense of humor and enjoy a good laugh! This is how we came up with a personalized humor mug/t-shirt idea. Each product will have a work-related cool image, modified to show our students in the image performing the work. Please help us choose the best tag lines or […]

Here at ATI we have a healthy sense of humor and enjoy a good laugh! This is how we came up with a personalized humor mug/t-shirt idea. Each product will have a work-related cool image, modified to show our students in the image performing the work.

Please help us choose the best tag lines or propose some new ones. Here is what we came up with so far.

  • Trained Rocket Scientist ( with face inserted into Astronaut image)
  • In-Depth Expert (with submarine image with face inserted into the Commanding Officer image)
  • I Know What I am Doing ( with face inserted into image of Radar/CIC officer group
  • Satellites are not over my head (artwork of satellite and earthstation)
  • I know how to dish it out (artwork of earthstation)
  • Orbital Mechanic (artwork of a wrench and a satellite
  • What Part of C/N = EIRP+G/T-SL-BW-AL-OL+228.6 don’t you understand (maybe followed by “I do”) (artwork of dish, lightning-like link, satellite)
  • Unmanned Aircraft System Specialist
  • UAS: My Other Vehicle is Unmanned
  • Satellite Saints Fly Higher
  • RF Engineers: Equal to [or Calculate at] the Speed of Light
  • Project Manager Maven
  • Radar Raven
  • Sonar Swami
  • EM Experts: Attract with a Spark
  • SAR (Synthetic Aperture Radar) Engineers are Illuminating
  • Network Engineers are VERY Connected
  • Systems Engineers: Know Where All the Pieces Go
  • Autopilot Engineers Know Where to Go
  • Earth Station Designers are Very Grounded
  • Submarine Experts: Keeping Their Head Below Water
  • Vibration and Noise Control Experts Shake It In Silence
  • Remote Sensor Expert: Long Distance Voyeurs
  • Fiber Optic Experts Love a Good Piece of Glass
  • Grounding Guru
  • Trained Rocket Scientist (with face inserted into Astronaut image)
  • In-Depth Expert (with submarine image with face inserted into the Commanding Officer image)
  • I Know What I am Doing ( with face inserted into image of Radar/CIC officer group
Please email you suggestions to us!

See more ATI humor here!

Space Shuttle Launch Photo

This picture was taken by James Vernacotola. It was taken in Ponte Vedra from the top of the 210 bridge crossing the intracoastal looking south towards St, Augustine and Cape Canaveral. He got up very early and took this picture of the last nighttime space shuttle launch and was kind enough to share with his […]

    This picture was taken by James Vernacotola. It was taken in Ponte Vedra from the top of the 210 bridge crossing the intracoastal looking south towards St, Augustine and Cape Canaveral. He got up very early and took this picture of the last nighttime space shuttle launch and was kind enough to share with his co-workers and whomever else would appreciate the beauty of the space launch. He took the picture using a tri-pod and the elapsed time for the picture was several minutes in order to get the full fire-trail (this is why the stars are little lines instead of dots).

    Monday, February 8, 2010 @ 4:14 am
    Top of the Intracoastal Waterway Bridge in Ponte Vedra, FL
    115 Miles from the launch
    34 Degrees outside!