Isolador de linha de rádio amador - Construção e posicionamento
19:27
The Invisible HF Antenna
14:43
Short Dipole Antennas for Ham Radio - You Can Make
55:16
YAMAHA's Professional Amp
34:33
Three Home Brew Wire Antennas Everyone Should Build
22:46
The BEST Ham Radio You've Never Heard Of - Hilberling PT-8000A
14:33
Rare Old Engines Starting Up Sound That Will Blow Your Ears ▶4
44:52
Paper Cutting Machine Shaft Part 1- American Pacemaker Lathe Work
14:49