As a result of the RFI post in the blog a few days ago, a fellow ham sent me a link to this document, (which is in the public domain), and suggested I look at the pdf for help in tracking down the RFI at my home QTH. This document strikes me as one of the nicer items I have seen over the past few years dealing with RFI and how to deal with it.
The Mitigation of Radio Noise from External Sources at Radio Receiving Sites


