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NASA is Showering One City With Sonic Booms and Hoping No One Notices (cnet.com)
Eric Mack, reporting for CNET: NASA has been deliberately creating sonic booms off the coast of Galveston, Texas, since Monday in the hope that residents on the barrier island community won't be too bothered by the sound of an F/A-18 aircraft briefly going supersonic. That's because the research jet is performing a dive maneuver designed to reduce the normally thunderous sonic boom to what NASA calls a "quiet thump," more like the sound of a car door slamming. The test flights are aimed at measuring the community response to the new, quieter booms and are part of NASA's larger effort to develop a new, more muted supersonic plane that might be able to fly over land. Current regulations prohibit flights over land that generate sonic booms.
I live in SW Arizona and the air show that goes on here regularly includes F35's at low altitude, Raptors doing test runs and touchdowns for half the year, Marine air copters, A10's all training and providing a private air show at the Marine Air base, and the Yuma Proving grounds. Nothing beats a cold brew, and vaporizer and a great air show pool side in the evening. Last showing ends promptly at 22:00.
Come enjoy the show - Karn Evil (ELP)
errr....umm...*whooosh* *whoosh* Is this thing on ?
I recommend that you train animals to make the sound of car doors slamming, so that in your recordings you will never know if it was a natural sound or a man-made one.