[RFI] RFI from geothermal furnace cathodic protection circuit

[<nlsa@nlsa.com>]

Dear friends,
I am seeing RFI on 2m from the cathodic protection circuit in our geothermal
heating system.  The protective circuit's on-board SMPS generates a large
broad emission around 150 MHz, verified with a spectrum analyzer and
sniffer.  Before I dive in with the usual filters and toroids, does anyone
on the list have experience and suggestions?
Thank you,
Michael Owen


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