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krj

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First recorded activity by BoatBanter: Jul 2006

Posts: 160

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SSB noise

wrote:
krj wrote:
I just finished installing an SSB on my boat. When I turn on my freezer
I get noise on the radio that sounds like morse code. The freezer has a
Danfoss BD50 compressor with a digital thermostat. Has anyone else had
this problem. I think I remember Gordon West writing about this problem
in one of the sailing mags. but can't remember which one or when.

Sail magazine, June 2005.

Gordon West recommended:

1. Wrap compressor and controller in copper foil and ground the foil to
the compressor's metal mounting legs;
2. Install ferrite chokes on the control wires coming out of the
controller, as close as possible to the plastic controller box; and
3. Wrap controller box with copper screen from a hardware store.

Cheers

Thanks for the info. I guess I'll go get some copper screen and try it.
krj

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