Yes you are right, I found the user that was causing the interference, not much I can do about it. I am waiting on a new receiver, so hopefully that will help cure some of the problems. Thanks for the input.
Mathew ----- Original Message ----- From: "Jim B." <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, April 27, 2004 12:05 PM Subject: Re: [Repeater-Builder] Help on Interference > w9mwq wrote: > > I have a repeater with an antenna up about 60 feet in the air, > > Frequency of 146.925/146.325 minus offset. Receiever sensitity > > is .25 micorovolt at 12DB, seems to be purring along just fine. IFR > > show the receive to be on frequency. Here's the problem, there is a > > repeater about 50 air miles away, on the pair of 146.910/146.31o > > minus offset. There repeater is getting into my receiver, causing > > the repeater to key up. There is no pl on my repeater at this > > time. They sound like they are on sideband when they come in. I > > can goto the 91 machine, hear them talking, when they quit, the > > interference quits. I took my IFR and inserted a tone on 146.310 > > into my receiver, it took 15 microvolts to open the squelch of my > > receiver. Is it my receiver, which is a Regency receiver, or is it > > the person transmitting on the other machine. I could see if it was > > the 91 machine if all it was doing was killing my receive, but it's > > actually keying up the repeater. SO my guess would be it would have > > to be the person talking on the 91 repeater. I hope I explained > > this right. Any suggestions. Thanks. > > > > Mathew > > > > As others have said, the problem is users of the other system getting > into your receiver. You should notice that the problem goes away as soon > as the user unkeys. > Yes, the Regency receiver is a big problem. They are notorious for being > broad as a barn. A UHF repeater here used to be a Regency. I could bring > it up reliably from 30-35 miles away 10 Khz either side of frequency > with a 1W handheld! Find yourself a Micor or Mastr II receiver and that > should cut it down considerably. You'll never get rid of it altogether, > but you should be able to cut it down to where it's rare. > Our rptr on 146.625 has a 146.61 and a 146.64 rptr abt 50 miles away or > so. Our system is all Micor. Unless someone is right underneath one of > our receivers running a base station-type setup, we never hear anything > from them. Now the Michigan rptr 5 Khz away... > > -- > Jim Barbour > WD8CHL > > > > > > > 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/
