[RFI] Interference in the Power Supply

[Palomar Engineers <Palomar@compuserve.com> (Palomar Engineers)]

Probably your house AC power wiring is picking up your 80 meter signal and
feeding it into the Astron. Or RF is getting in through the DC wiring to
the ICOM. Wrap either or both of these cables around a ferrite toroidal
core of about 1800 permeability (U.S. type 77 material) or maybe 43
material (850 permeability). -- Jack, K6NY

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