thanks for tips!!! Jaime Solorza Wireless Systems Architect 915-861-1390
On Wed, Feb 19, 2020 at 9:43 AM <ch...@wbmfg.com> wrote: > Well if it is exactly so many seconds it will surely help. > Start with low gain and work your way up with antennas. > Or just try to sample the area with an omni and signal strength alone. > Enough samples and you will have a decent direction. > > *From:* Ken Hohhof > *Sent:* Wednesday, February 19, 2020 9:05 AM > *To:* 'AnimalFarm Microwave Users Group' > *Subject:* Re: [AFMUG] Your a strange one, Mister Grinch > > > Good luck. I hate trying to locate interference sources. If it only > occurs for 1-2 seconds once every 4 minutes, that will be even more > difficult. > > > > Maybe at least you can determine what frequency and channel width it is > using, and the signal level. To figure out if it is on the exact same > frequency, or maybe an adjacent channel but so strong it is overloading the > receiver front end. I know there are some high powered paging systems > around 930 MHz, not sure what would be up at 950. > > > > Is the STL analog or digital? And is it like a backhaul link with tons of > fade margin, or could a relatively modest signal interfere with it? > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Jaime Solorza > *Sent:* Wednesday, February 19, 2020 9:46 AM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* Re: [AFMUG] Your a strange one, Mister Grinch > > > > Will see what I can find today and tomorrow... > > > > On Wed, Feb 19, 2020, 5:08 AM Lewis Bergman <lewis.berg...@gmail.com> > wrote: > > Electric Utilities are pretty constant in my experience. If it is > licensed, you can call the FCC. They have the best equipment for finding > interfering signals. > > > > On Tue, Feb 18, 2020 at 10:08 PM Jaime Solorza <losguyswirel...@gmail.com> > wrote: > > Just got a late evening call to help find a possible interference issue on > a licensed STL working at 950MHz that gets "interrupted" every four > minutes for a second or so since last Thursday....radio technician replaced > STL and same issue...no BERs detected. Going to visit sites tomorrow.. > > The FM frequency is 97.5 MHz and transmitter checks out as well as antenna > and waveguide. > > I do know 895-900MHz is getting hosed from across border as well as > Verizon's PCS bands from new provider across border. Going to take SA up > the mountain and see what it shows .. > > The four minute interval intrigues me...as in SCADA system polling...the > utilities do use nearby frequencies...any ideas from my fine feathered > friends welcomed... > > Goodnight, Jaime Solorza > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > -- > > Lewis Bergman > > 325-439-0533 Cell > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > ------------------------------ > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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