A Antena HF Invisível
10:27
Stealth Ham Radio Antenna the HOA Will Never Find: CHA OCF40 Dipole attached to the ROOF RIDGE VENT
19:30
EAntenna DELTA-11 6 Band Delta Loop - This Antenna Is AWESOME!
19:03
WW2 Dynamo Flashlight - Doesn't Use Batteries! Let's look Inside.
24:59
JPC-12 Portable HF Antenna - Hidden Secrets
24:07
The ONLY SDR Software you’ll ever need.. (Software Defined Radio)
8:13
Ham Radio Loop Antenna - 20m Low Noise DX Self-Build
34:33
China Has Launched New Generation Transport SHOCKING The US
14:00