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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