Good Day, Like most I am trying to prepare for Top Band season. I have a mystery noise which Warlbes and slightly shifts Freq. centering around 3513.5 Khz.I can disconnect most everything in house, i
I have the same type noise here, mine reads 3513.3 warbles, at times sounds a little unstable, its on the antenna for sure, I have all underground utilities no close neighbors and nothing on in the h
Val, A little more news. Not only is it on 3513.5 but, it is also on 1/2 that freq at 1756.75. At 1900Z this afternoon I could hear on both frequencies. Same number of signals in the pass band, about
Since we are both hearing it, on the coast and here just North of Atlanta, it is either being transmitter or has something to do with the power grid. The fact that you're hearing a sub-harmonic sugge