WSPR - Weak Signal Propagation Reporter, AD #34
17:20
Choosing Lightning Arresters (#531)
21:12
Amateur HF Transceiver Features Described and Sorted: AD #22
6:16
WSPR Weak Signal Propagation Reporter
14:00
La VRAIE raison pour laquelle les répétiteurs sont morts !
6:26
Maximize Your Antenna's Potential With A WSPR Transmitter!
30:23
SWR Demystified: AD#28
13:55
How Good is your Antenna? Use this to find out!!
14:35