3:29

la4uoa 25/12/24 qrp grupo radio operadores militares 28508 mhz 13;05

5:34

QSO entre LU4UAD e PY3SOL

17:32

Making a crystal radio

7:45

Low Flying Fokker Triplane Like You’ve Never Seen! | 65% Scale Masterpiece

1:52

Condensador antena magnética

4:14

Merry Christmas #13 | QSO with radioamateurs From Netherlands, Croatia,Austria,Czechia, 20m, , 14mhz

6:02

excelente propagación

3:57

Radio cu cristal galena