Sometime in December I noticed my noise floor on MF and HF increased and it was very noticeable on 40 meters (9 dB increase on 40 meters). My stationary pennant RX antennas (I have 3 of them) indicat
Hi Jim, Yes, always fun when I work you during a contest even though it was not on 160 meters this time around:) I actually always carry with me a power cord with a FT240-31 wound with 14 turns as we
Hi Randy, It is as far as Im concerned. A new groups.io was formed called EMI-RFI and Im not sure where thats headed but I certainly prefer the rfi@contesting forum based on what Ive been reading on
Mike (W9RE) was experiencing RFI on 160 meters that had repeating humps every 55 KHz and it turns out it was raising his overall noise floor. Yesterday Mike and I tracked the RFI down to his neighbor
I forgot to mention two things. 1) Once again a big thanks to K9YC for his original work using the FT-240-31 material for common mode chokes. We used a common mode choke based on the FT-240-31 materi