HAM RADIO: HF MOBILE ANTENNA EFFICIENCY (PART 1 - ANTENNA LENGTH)
20:05
HAM RADIO: HF MOBILE ANTENNA - LOADING COILS
23:39
End Fed Half Wave Transformers.......Are they as good as we think? #hamradio #hamr
16:17
HAM RADIO: 20 metres - Simple DX antenna. Quarter wave vertical.
18:05
Ham Radio: HF Mobile - Base-Loaded or Centre-Loaded?
18:50
Antenna Wire Length - Demystifying Feedpoint Impedance
14:22
Vertical Antenna Efficiency - A Basic Rough Guide
19:35
Understanding NVIS
8:11