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 some interesting links to some recording made in 1933 on aluminium disks of AM broadcasters. Of great historic interest.
See http://www.southgatearc.org/news/2021/march/dxing-in-england-1933.htm#.YE3QayuTLrc
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