Something like that should be passed along to the Repeater Council or the Official Observer to see if they can talk to this individual. unless he wants to be famous in the ARRL web site with a letter from the FCC or something.
I can't offer any other solution. Mark Holman AB8RU *** IT Student ***** Happy Holidays ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, December 21, 2004 5:58 PM Subject: Re: [Repeater-Builder] HELP: 2 meter repeater intermod problem frompager transmitters > > It sure is - a mess, that is. Repeated offers to the guy to offer help > with > a Service Monitor, etc. have gone rejected. He's using a ham dual-bander > mobile radio at a high-level site, and some of the garbage noise has > caused > one of the main local 2-Meter Portland Repeaters to kerchunk continually > whenever the IRLP or Echolink (or whatever it's called) "system" keys up. > It's also tied up one of the main local 2-Meter simplex channels that was > normally designated for many years as a "Remote Base to Remote Base" > channel. > > What some people won't do just to be a "Repeater Owner"..... > > LJ > > > > Original Message: > ----------------- > From: JOHN MACKEY [EMAIL PROTECTED] > Date: Tue, 21 Dec 2004 11:12:06 -0600 > To: [email protected] > Subject: Re: [Repeater-Builder] HELP: 2 meter repeater intermod problem > frompager transmitters > > > > Sounds like a similar problem here in Portland, Oregon. > > We have a guy running an IRLP node here on what is commonly thought of as > 2 > meter simplex frequencies. The station is on a broadcast tower with high > elevation running about 375 watts ERP!!! Mobiles 100 miles away can > clearly > hear the IRLP node!! The IRLP node is made from amateur grade RF > equipement & > has had SEVERAL problems with causing interference with the inputs of > other > repeaters in the area. Attempting to talk to the owner & suggesting he > put > sharp cavity filters on the transmitter resulted in his reply of "then I > wouldn't be able to be frequency agile". > > Meanwhile, his deviation has been measured at +/- 9 KHz, and he argues > that > there is nothing wrong because a telecom service agency measured & set his > deviation. > > ------ Original Message ------ > Received: Tue, 21 Dec 2004 09:23:57 AM CST > From: "Jim B." <[EMAIL PROTECTED]> > To: [email protected] > Subject: Re: [Repeater-Builder] HELP: 2 meter repeater intermod problem > from > pager transmitters > >> >> Except that the vast majority of VHF transmitters/networks weren't >> really capable of multi-freq on the fly as you describe. At least around >> here, anyway, they were virtually all Micor PURC stations. >> And most sites would not have allowed the transmitters to remain without >> cavites anyway. >> -- >> Jim Barbour >> WD8CHL >> >> >> Joe wrote: >> >> > You will find less and less narrow band cavities on paging transmitters >> > lately. As the paging industry slowly goes into their death spiral of >> > loosing customers, they no longer need 2, 4 or more transmitters at > each >> > site to deal with the capacity of pagers out there. What some > companies >> > are doing is leaving one transmitter at the site and doing >> > multi-frequencies out of a single transmitter (This is assuming they > were > >> > all on the same band, 900Mhz for example.) When they multi-frequency a >> > transmitter they need to remove any narrow band filters off the > transmitter >> > output. This may explain why some ham repeater sites that were quiet > now > >> > have noise problems. The irony of it is that you see paging > transmitters > >> > leaving a site and think that the noise floor is going to go down, only > to > >> > find that the nose increases tenfold. >> > >> > 73, Joe, K1ike >> > >> > At 09:53 AM 12/21/2004, you wrote: >> > >> >>All paging transmitters involved should have narrow bandpass cavities >> >>and circulators on their outputs. That's usually considered a must at >> >>any site. If the paging company isn't willing to spend the money for >> >>that, then they aren't to serious about staying in business. >> >>The good news is that VHF common carrier paging is slowly going away, >> >>and the remaining frequencies will likely be dropped and released back >> >>into the general pool in a few years, or less. >> >>There is virtually no VHF paging here in NE Ohio anymore. >> >>-- >> >>Jim Barbour >> >>WD8CHL >> >> >> >> >> >> >> Yahoo! Groups Links >> >> >> >> >> >> >> >> > > > > > > > > > Yahoo! Groups Links > > > > > > > > > -------------------------------------------------------------------- > mail2web - Check your email from the web at > http://mail2web.com/ . > > > > > > > > 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/
