adingbatponder 
πΎ#callsign #saq #sweden #ulf #radio #17khz #hamradio #AmateurRadio
https://alexander.n.se/en/
https://en.m.wikipedia.org/wiki/Grimeton_Radio_Station
how to receive a 17kHz radio signal will basic kit:
https://youtu.be/BL75QR8RI5s?si=vFS6CQRyPhTLGNEn
https://alexander.n.se/en/
https://en.m.wikipedia.org/wiki/Grimeton_Radio_Station
how to receive a 17kHz radio signal will basic kit:
https://youtu.be/BL75QR8RI5s?si=vFS6CQRyPhTLGNEn