472 kHz casi sin antena (experimentos de CW a 630 m)
19:30
EAntenna DELTA-11 6 Band Delta Loop - This Antenna Is AWESOME!
23:50
From practical wireless August 1955 to Christmas 2024.
11:32
New Life For Old Radios! Just $2.29 for this Wide Band Amplifier!
13:52
Central Office ALARMS!!!
6:46
Dipole Vs EndFed - Field Measurements
19:52
How to Install a Huge Ham Antenna on a Tower – Watch the Full Process
9:38
BRAND NEW CB Antenna, CompacTENNA Perfect CB, 11 Meter Antenna
48:26