N5NTG
AMATEUR RADIO FIELD DAY – GET OUT AND OPERATE: Field Day Is Just Around The Corner – Plan Now …http://t.co/crdHOFKEno
Chris_Diemoz
Who’s intruding #hamradio bands (and how)? The answer is blowing in the April @IARU_R1Monitoring System newsletter!http://t.co/Afp6XUScxH
n0rc
Giving Away HackRF #sdrhttp://t.co/zxXnOyg4q2 #hamr #diy#electronics
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