ORIGINAL: Antique
I guess it just worked, Pro Line Custom Comp transmitter, Pro Line servos...still have the 1972 Pro Line converted to Micropro 8000, now FM, still works...Best gimbals ever made....

Resistor plugs....My conversions still use stock Zenoah coils in the stock location with rubber caps...You should know
Yes sir, that I do, and thank you!

PCM and 2.4 Ghz are great modulation technologies but not for eliminating stray EMI eminating from somewhere on the aircraft.