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Skying, Skying, do not answer…

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cosmikdebris
January 11, 2022 06:44PM
Skying, Skying, do not answer…

Background information and a sound sample of the USAF High Frequency Global Communication System (HFGS), via specialcollections.radio

...and a discussion on Hacker News



Edited 1 time(s). Last edit at 01/11/2022 06:45PM by cosmikdebris.
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Skying, Skying, do not answer…

cosmikdebris 371 January 11, 2022 06:44PM



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