Southgate News has a piece on some army research into quantum receivers that can look at the entire 0-20GHz spectrum in one go.
See http://www.southgatearc.org/news/2021/january/new-quantum-receiver.htm#.YB_2lyuTLrc .
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
Southgate News has a piece on some army research into quantum receivers that can look at the entire 0-20GHz spectrum in one go.
See http://www.southgatearc.org/news/2021/january/new-quantum-receiver.htm#.YB_2lyuTLrc .
I have to confess I have no idea where these are and the callsign does not help. In a short while I shall look them up. This is a QSL card....