Bookmarked https://aviationweek.com/defense-space/aircraft-propulsion/hobby-clubs-missing-balloon-feared-shot-down-usaf. Wow. [Some Pico balloons are] …
By 
Jan Boddez
Jan Boddez
Bookmarked https://aviationweek.com/defense-space/aircraft-propulsion/hobby-clubs-missing-balloon-feared-shot-down-usaf.
Wow.
[Some Pico balloons are] capable of circling the world several times before they pop or fall. [O]wners keep track of them through HF and VHF/UHF radio links, [with] tiny attached solar arrays sending power to the transmitter.