Scott, Are you hearing the courtesy tone when this happens? The absence or presence of the tone could help narrow the possibilities. Also, what provides the PTT signaling for the repeater; tone, cor, or both? Have you tried disconnecting the receiver and checking to see if the problem still exists?
Scott Madison, WN1B --- In Repeater-Builder@yahoogroups.com, "Scott" <[EMAIL PROTECTED]> wrote: > > Here's the problem... > > Every so often (several times in 10 minutes) we are getting a key up > of our repeater. > > Here is what we know... > There is no signal coming in on the input frequency. No even a small > spike. It is almost like something in the set up is timing and keying, > but it is not an exact interval. Doesn't matter is RX tone is enabled > in the CAT or not. > > Here is the setup... > Motorola Mitrek trunk mount on 443.275, CAT 250 controller, Com- Spec > TS64DS tone board. It has a good 300W 3 can duplexer that is tuned > correctly and working well. 75Amp power supply. The cabinet also has > an APRS rig in it, as well as a remote receiver for another repeater, > and a link radio, but NONE of that is even turned on (and doesn't make > a difference when it is). > > Suggestions as to what to look for...? > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/