G4NSJ amateur ham radio station
Ham radio YouTube channel
G4NSJ - British Amateur ham station and vintage valve radio. Communications receivers, antennas, transceivers, ATU.
Recent videos
G4NSJ - Portable / Mobile on 40 metres on the Isle of Wight with a G90 radio. How NOT to do it!
61st Hamfest Melbourne Auditorium Florida 2026
G4NSJ - A Pirate on 40 metres. Using my call sign and name!
G4NSJ - RF Current flows into an antenna, but then where does it go?
G4NSJ - What is as long wire antenna? Is it a good aerial for short wave listening?
G4NSJ - Receiver RF gain control. What is it for? AGC slow fast off for AM or SSB?
G4NSJ - HF mobile on 40 metres Xiegu G90 transceiver Sigma AM-PRO 40 Metre whip
G4NSJ - Should I use the Xiegu G90 HF radio for mobile?
G4NSJ - HF Mobile? Easy... or is it? 12 Volt supply problems! Cigarette lighter. Cable from battery.
G4NSJ - SWR ATU Setting up your radio, your tuning unit and antenna for minimum reflected power.
G4NSJ - Clansman PCR-320 with external ATU
G4NSJ - What happened to amateur radio? Where is everyone? Where is the ionosphere?