Another tidbit about this problem is that it's clean in the mornings. The paging transmitter can be going off like crazy and the repeater will be totally clean in carrier squelch. As the day progresses it gets worse. -- Tim :wq
On Aug 20, 2010, at 7:51 PM, Chuck Kelsey wrote: > I agree, if you don't hear anything else in the mix, and it pretty much > happens for the full length of the page, it's likely a spur on the paging > transmitter, at least that's what I'd be looking at. > > Chuck > WB2EDV > > > > ----- Original Message ----- > From: "MCH" <m...@nb.net> > To: <Repeater-Builder@yahoogroups.com> > Sent: Friday, August 20, 2010 10:46 PM > Subject: Re: [Repeater-Builder] Re: Intermod Calculation > > >> Could be a spur. Can you hear any other audio with the page? (ever) >> >> Joe M. >> >> Tim Sawyer wrote: >>> >>> >>> It seems to pick up most of the page. Occasionally the beginning is >>> missing or it will get just the very end. It always seems to drop at the >>> same time as the page. >>> >>> -- >>> Tim >>> :wq >>> >>> On Aug 20, 2010, at 4:38 PM, Chuck Kelsey wrote: >>> >>>> >>>> >>>> Does the entire page happen, or does it abruptly stop part way through >>>> some >>>> of the time? Partial page would indicate to me that another >>>> transmitter is >>>> in the mix and dropping before the pager does. >>>> >>>> However, I had a situation where there were four paging sites >>>> scattered in >>>> the county on the same frequency and one of the transmitters was >>>> spurious >>>> and getting into my receiver. In that case, I always heard the entire >>>> page, >>>> but only when that particular transmitter came up. >>>> >>>> Chuck >>>> WB2EDV >>>> >>>> ----- Original Message ----- >>>> From: "Tim - WD6AWP" <tisaw...@gmail.com <mailto:tisawyer%40gmail.com>> >>>> To: <Repeater-Builder@yahoogroups.com >>>> <mailto:Repeater-Builder%40yahoogroups.com>> >>>> Sent: Friday, August 20, 2010 7:27 PM >>>> Subject: [Repeater-Builder] Re: Intermod Calculation >>>> >>>>> It occurs whether or not the repeater transmitter is keyed. >>>>> >>>>> --- In Repeater-Builder@yahoogroups.com >>>> <mailto:Repeater-Builder%40yahoogroups.com>, "Jeff DePolo" <j...@...> >>>> wrote: >>>>>> >>>>>> >>>>>> Before we get into the math, an important question that needs to be >>>>>> answered >>>>>> is whether or not this mix occurs when your repeater transmitter is >>>>>> unkeyed. >>>>>> >>>>>> >>>>>> --- Jeff WN3A >>>>>> >>>>>>> -----Original Message----- >>>>>>> From: Repeater-Builder@yahoogroups.com >>>> <mailto:Repeater-Builder%40yahoogroups.com> >>>>>>> [mailto:Repeater-Builder@yahoogroups.com >>>> <mailto:Repeater-Builder%40yahoogroups.com>] On Behalf Of Tim Sawyer >>>>>>> Sent: Friday, August 20, 2010 6:36 PM >>>>>>> To: Repeater-Builder@yahoogroups.com >>>> <mailto:Repeater-Builder%40yahoogroups.com> >>>>>>> Subject: [Repeater-Builder] Intermod Calculation >>>>>>> >>>>>>> >>>>>>> >>>>>>> I have paging intermod from 157.740 Mhz. My receiver is on >>>>>>> 144.540 Mhz. I'm 100% sure there is another transmitter >>>>>>> involved in the mix because sometimes the pager is >>>>>>> transmitting and I have no interference. >>>>>>> >>>>>>> I have an intermod calculator program but it wants all the >>>>>>> known transmitters and the target receiver. But I need to >>>>>>> solve for an unknown transmitter. Is there a way to calculate >>>>>>> the other possible soruce(s)? >>>>>>> -- >>>>>>> Tim >>>>>>> :wq >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>>>> >>>>> >>>>> >>>>> ------------------------------------ >>>>> >>>>> >>>>> >>>>> Yahoo! Groups Links >>>>> >>>>> >>>>> >>>> >>>> ---------------------------------------------------------- >>>> >>>> No virus found in this incoming message. >>>> Checked by AVG - www.avg.com <http://www.avg.com> >>>> Version: 9.0.851 / Virus Database: 271.1.1/3084 - Release Date: 08/20/10 >>>> 14:35:00 >>>> >>> >>> >>> >>> >> >> >> ------------------------------------ >> >> >> >> Yahoo! Groups Links >> >> >> > > > -------------------------------------------------------------------------------- > > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.851 / Virus Database: 271.1.1/3084 - Release Date: 08/20/10 > 14:35:00 > > > > ------------------------------------ > > > > Yahoo! Groups Links > > >
