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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