You could do a frequency search and see if you could find a user on the reverse pair. However, I've never heard it sound like a steam whistle - the description of howling in a tunnel (or drain pipe) is what I've heard when reverse pair repeaters lock up. And they can stay locked up until one times out.
Chuck WB2EDV ----- Original Message ----- From: "NORM KNAPP" <[email protected]> To: <[email protected]> Sent: Sunday, May 24, 2009 5:48 PM Subject: Re: [Repeater-Builder] Strang new noise in repeater > Now that is more likely. They have a really weird splinter frequency and a > DPL code. That is still very possible. There has been a good bit of > ducting lately. Thanks, I will start listening to the repeater input. > > ----- Original Message ----- > From: [email protected] <[email protected]> > To: [email protected] <[email protected]> > Sent: Sun May 24 16:23:27 2009 > Subject: Re: [Repeater-Builder] Strang new noise in repeater > > > > Norman, we had a similar situation many years ago with a Ham repeater that > would > lock up with a distant repeater using the reverse pair frequencies ! It > was > a sound like > a hollow tunnel howling and growling.....happened during periods of > inversion. > > John VE3AMZ > > ----- Original Message ----- > From: "NORM KNAPP" <[email protected] > <mailto:nknapp%40twowayradio.net> > > To: <[email protected] > <mailto:Repeater-Builder%40yahoogroups.com> > > Sent: Sunday, May 24, 2009 5:12 PM > Subject: [Repeater-Builder] Strang new noise in repeater > >> Got a VHF repeater in my area. In the last several weeks it has started >> making a noise like that of a steam whistle. It doesn't do it all the >> time. It seems random. I have not been able to make any connections yet >> with regular occurances. It doesn't do it until someone talks through the >> repeater and the unkeys. The noise keeps the repeater up for a couple of >> seconds to neary a minute. The repeater is a 100watt MTR2000. I don't >> remember the duplexer type/model/brand. It doesn't seem to do it during >> the day, it seems more prevelant in the evening and mornings. >> Any ideas? >> N5NPO >> Norman Knapp >> >> >> ------------------------------------ >> >> >> >> Yahoo! Groups Links >> >> >> >> > > > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > >
