Many of you know that I have been plagued by Radio Frequency Interference for quite some time. It is coming from the power poles near my shack. The person who used to take care of this retired. Thankfully, Georgia Power called him out of retirement to track down the source of the RFI. The RFI is often caused by loose hardware, a dirty insulator, or a blown lightning arrestor. Note that RFI is almost never caused by a transformer, contrary to popular belief. If the RFI is emanating from a transformer, it will most likely be from loose hardware that is part of the transformer connection.
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Please, kidnap him and bring him to me… And a chainsaw to cut the leaky lines down.
Are you now free of it Doug?
I have that exact qrm.
Please let us know what they find and how they rectified it.
Thanks for your reply. All makes sense. I had one National Grid tech in my shack and showed him the waterfall on my 7300, and he could see it wasn't atmospheric because it was so instantaneously on and off. Seems to be a pattern with heavy winds and rain. More prevalent in strong winds and it think rain dampens any arcing. Still an issue but they make rounds in my neighborhood frequently.
I'm dealing with same issue and cannot get Florida power & light to understand my problem. After a bad storm I now have 20db on all bands … we know it's a leaking transformer but FP&L just doesn't understand.