A Super-Simple Standalone WSPR Beacon - We’ve said it before and we’ll say it again: being able to build your own radios i... - https://hackaday.com/2024/06/14/a-super-simple-standalone-wspr-beacon/ #amateurradio #transmitter #radiohacks #weaksignal #atmega328 #digital #beacon #si5351 #wspr #gps #ham