W6KME · @W6KME
123 followers · 1162 posts · Server mastodon.radio
AI6YR · @ai6yr
1349 followers · 977 posts · Server m.ai6yr.org
Probably the coolest #hamradio protocol out there: Feld Hell (#Hellschrieber) -- developed in WWII, which actually sends letters across frequencies. #communications
#hamradio #hellschrieber #communications
Last updated 2 years ago