[RFI] Solar Panel RFI in Kings Park - Update October 4th 2018

[Tony]

All:

The RF Engineers from Solar Edger came out to my home this week to 
assess the noise emanating from my neighbors solar panel system.

They plugged into my antennas to view the spectral noise on my receiver 
which they then compared to the spectral noise that appeared on their 
portable setup near the solar panels. They determined the noise to be 
one and the same.

The next course of action is to improve the ground system and install RF 
absorbing foam to each optimizer. I also convinced them to replace the 
snap-on ferrites located at each optimizer, with larger ones so they can 
loop several turns of cable around each core.

They originally said they would just go with the RF foam which is 
puzzling: I don't understand how encasing a noisy device with this stuff 
could suppress RFI when the device is attached to long runs of cable 
that act like antennas. Can anyone explain how that would work?

Tony -K2MO