Tracing down RFI sources can be immensely challenging - I remember reading of one case where the tower itself became a radiating element and a source of RFI. h

Tracing down RFI sources can be immensely challenging - I remember reading of one case where the tower itself became a radiating element and a source of RFI. https://www.thebdr.net/articles/warstories/trenches/trenches-A2x4Fix.pdf https://www.thebdr.net/articles/warstories/trenches/trenches... Here is another where the source of the RFI was a totally unexpected source. https://www.thebdr.net/articles/warstories/neighbors/bug.pdf https://www.thebdr.net/articles/warstories/neighbors/bug.pdf