Dear Mal, LF Group, I can see you resonate your 3mH coild with a motor driven variometer but how do you match this to exactly 50 ohmz for a SWR of 1:1 to the TX I can see your coil and transformer se
Hi Jim es LF My LF loading coil as described recently is wound with ex Decca litz 729 strand wire wound on a semi air spaced plastic basket I avoid using a variometer which would degrade the main coi