Suspect it's a utility because of intervals associated with polling. The
water utilities has over 800 well and lift stations working at 928.xxx and
952.xxxMHz ...you can actually hear them polling on a scanner!
On Wed, Feb 19, 2020, 9:18 AM Bill Prince <part15...@gmail.com> wrote:
> and 900 MHz is not all that directional; a signal strong enough to
> overload will be difficult to find a direction on.
>
> bp
> <part15sbs{at}gmail{dot}com>
>
>
> On 2/19/2020 8:05 AM, Ken Hohhof wrote:
>
> 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> <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> <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
>
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>
>
> --
>
> Lewis Bergman
>
> 325-439-0533 Cell
>
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