37:31

Military HF Radio - Episode 5 - HF Antennas

19:27

A Antena HF Invisível

14:43

80 Meter NVIS Antenna Project

37:16

Checking out HF with the #RSP1A #SDR and some 2 meter FM activity!!! #hamradio #hfradio

17:21

Hear what NVIS sounds like from 3 locations | K7SW Ham Radio

14:11

Demonstrating NVIS communication from the bottom of a valley - with U01 Antenna

10:07

Mobile NVIS

10:10

Is a CHEAP CHINESE QRP Z-MATCH TUNER any good?