Sounds like your transmitter has spurs and it is drifting getting into the receiver. I had this happen to a GE MASTR II repeater that one of the HAMS put a filter cavity on the transmitter to fix a desense problem. When the repeater was first keyed after being idle for a while it had spurs like crazy and not only caused interference to their repeater but others as it climbed up the band.
Get a good spectrum analyzer and look at the spectrum that the transmitter is transmitting on. David -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Michael J.Talkington Sent: Monday, June 29, 2009 2:46 PM To: [email protected] Subject: [Repeater-Builder] Re: Echoing It sounds like it is repeating the same thing twice like a echo.Sometimes it starts to echo then it turns to noise till the user unkeys.I have not heard it in a week and sometimes it happens for hours.When this echoing is happening and the Repeater ids or says one of the messages stored in the controller it goes away.To me I think it does not happen because the receiver is not being used when the messages or id is happening as everyone waits till it is done.Thanks Mike KC8FWD --- In Repeater-Builder@ <mailto:Repeater-Builder%40yahoogroups.com> yahoogroups.com, Eric Lowell <elowell9...@...> wrote: > > Can you define and describe what you mean by echoing? I've not heard that term used with regard to a repeater. Might be a regional usage? > > Thanks, de W1EL > > Eric Lowell > Eastern Maine Electronics Inc. > 48 Loon Road > Wesley ME 04686 > eme....@... > www.satnetmaine.com > 207-210-7469 > > --- On Mon, 6/29/09, Michael J.Talkington <kc8...@...> wrote: > > > From: Michael J.Talkington <kc8...@...> > Subject: [Repeater-Builder] Echoing > To: Repeater-Builder@ <mailto:Repeater-Builder%40yahoogroups.com> yahoogroups.com > Date: Monday, June 29, 2009, 9:27 AM > > > > > > > > > Hello, > The other day I overheard a few people talking about the local repeater echoing once in a while. I have heard it also and it is just random. > now one of them said that the duplexers probably need retuned as the depth of the notch is not enough.Has any one ever experienced this before? thanks Mike KC8FWD >
