Dennis, Originally, we thought that as well, but we set the squelch up quite a bit and the problem persisted. We did manage to 'solve' the problem by setting the squelch very tight (about 2/3 of the way through its rotation, and the noise level is about 1/3 of the way through the rotation). That almost completely stopped the problem, but we lost a LOT of RX coverage. I'd like to just PL the thing and be done with it, but the club really doesn't want to do that (and I really don't either, except to solve the problem). Also, we don't have a decoder not, and are darn near broke, so that's not an immediate option.
Thanks for your thoughts, -- de WM4B Mike Kathleen, GA -----Original Message----- From: ki5fw [mailto:[EMAIL PROTECTED] Sent: Wednesday, March 23, 2005 11:37 PM To: [email protected] Subject: [Repeater-Builder] Re: Setting dual squelch levels --- In [email protected], "Mike - WM4B" <[EMAIL PROTECTED]> wrote: > > Tony, > > It's an ACS KPR-6000 machine running on 6.25/.85. The antenna is a 4- > bay on top of a water tower... probably 200' AGL, on the north end of > Warner Robins. It seems more frequent in the morning hours (0700 or > so), but is very intermittant. I believe it happens more during wet > weather also, which leads us to believe that it has something to do > with the telemetry transmitter at the water tower. (Our repeater is > the only antenna on the tower. The telemetry antenna is on a > telephone pole, about 25' high. It's a small vertically polarized > yagi pointed directly over our repeater shack. I assume it's rather > low power and transmits only when necessary. It's definately > suspect, but we can't catch the thing burping when we're at the > shack!) It's been going on intermittantly for about a year now. I > don't think it initiates itself, but waits for an ID or for a user to > activate the transmitter, then starts the cycle of kerchunking > itself. Sometimes it stops in 3 or 4 cycles, but I've heard it go on > for an hour or more. Of course, the whole place is surrounded by > chain-link fence, so we've only got about a million metal-to-metal > joins that might want to act like diodes at any given time! > > -- de WM4B > Mike > Kathleen, GA > > Mike; I'm not near as experieced as some of these guys but to me it sounds like the squelch may be just a tad on the loose side and the repeater may have some desense. WX will effect the squelch setting if it's set on the edge (at least here in MS it does). Your rptr may be detecting a very slight/weak signal from the user of another Rptr several miles away (you know how band conditions vary). Once the squelch opens the desense will kill the receiver until the coutesy tone and TX carrier drops out, then the recv'r opens right back up. This will cycle like this until the squelch closes back up (weak signal goes away). Try tightning your squelch just slightly, better yet check for any desense. I hope this makes some sense. I know what I'm trying to say, just have a hard time expressing it. Just my thoughts, Dennis ki5fw Lauderdale Rptr Group w5LRG 444.500/R 146.970/R Meridian, MS Yahoo! Groups Links 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/
