John Trostel, GTRI John Trostel believes that the coronavirus “shutdown” is presenting an identical alternative with infrasound. He shared spectrogram plots from March 2nd (firstly of the COVID-19 crisis) and March 31st, when important social distancing measures and policies had been established across the nation. The shiny bands within the March 2nd knowledge (high graphic) are when a close-by wind tunnel was operating and is likely a manifestation of infrasound detection. There are no corresponding bands within the information from March 31st (bottom graphic).
The major show reveals the infrasonic pressure recorded with the internal microphone and (if out there) barometer. Microphones plugged in through the info port or audio jack will override the interior microphone. ‘Revised noise criteria for software within the acoustical design and rating of HVAC methods’. Infrasound alone does not produce anomalous and paranormal experiences. Inlet ports of noise lowering pipe array at infrasound station IS07, … Read More