Re: [Repeater-Builder] Mitrek 70CM problem

2005-12-29 Thread Kevin Custer
Scott wrote: >Well, here is the setup, and the problem: > >Setup: >Moto Mitek trunk mobile on 70CM with CAT 250 controller, and control >head intact (mic disconnected). TX-RX duplexers (GE flavor, 3 cavity) >retuned. Uses stock tone board for incoming tone, Com-Spec board for >outgoing. Running ab

RE: [Repeater-Builder] Mitrek 70CM problem

2005-12-28 Thread Eric Lemmon
Scott, When you say "3 cavity" do you mean three total, or three on each side? If the former, I suspect that the duplexer has insufficient isolation and/or your transmitter has some spurious output. Take a spectrum analyzer to the site and monitor the off-air signal with a short whip to check th