[TowerTalk] Antenna Sel. Sw. for Dentron MT3000A

[Larry & Karen]

First I want to thank the folks that responded to my query as to calibrating the MT3000A. I've also found that I need an antenna selector switch for the tuner. One of the common contact rings on mine is worn to the point in a couple of the coaxial positions that I can't rely on it making decent contact although I don't see any indication of arcing (already tried cleaning and lightly filing the contact and ring surfaces). I've tried slightly "adjusting" the position of the sweep to get more pressure, but that only goes so far. The switch is a 2 pole, 7 position ceramic rotary with a 1/4" shaft. Anybody have any ideas on this. I've done some searching on the web, but no luck for an exact replacement. Thanks.

Larry  K0IS