From Steve G3TXQ’s posts at ===> http://forums.qrz.com/index.php?threads/making-a-balun-for-a-2-meter-j-pole.241824/
“I measured 3 turns of RG58, solenoid wound with a 1.5” internal diameter, to be self resonant in the 2m band. Anything radically different in number of turns or diameter had mediocre choking impedance.
Continue reading Classic Amateur Radio (G3TXQ) – Coax Common Mode Chokes for 2 M
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