9:1 UnUn / BaLun Antenna and Counterpoise for Ham Radio
80m with your 66ft end fed half wave antenna?... How to easily make a 110µH loading coil.
PROBLEM RELATED TO THREE PHASE FAULT || POWER SYSTEM
Build a random wire end fed antenna and make amazing contacts #hamradioqa
Building a 9:1 UNUN With FT-140-43 Toroid.
Mini UNUNs 49:1 and 9:1 (production process)
RANDOM WIRE ANTENNAS USING THF LDG 9:1 UNUNS
このデバイスは非常に便利です、、あなたは家で作ることができます
Easily Test An UnUn Before Deployment (9:1)
How to make simple RF CHOKE - home made project