Also in the diaries of many OK and OM stations is the brand 7J4ALL. The answer to why this is so is given by the following video with a demonstration of the antennas of this station.
Antennas 7J4ALL
Predošlý článokAMSAT-DL online sympózium
Nasledujúci článok VHF antenna F8KGU according to YU1CF
You could take another look
Contesting 2 minúty čítania
Silent Key Memorial Contest 2026
Ham information 8 minút čítania
Istra Contest Conference 2026 – päť rokov contestového stretávania v Poreči
Contesting 2 minúty čítania