Re: Erosion of the Zinc anode and HF transmission via PacTOR modem and Sailmail
- From: cavalamb himself <cavelamb@xxxxxxxxxxxxxx>
- Date: Sun, 27 Jan 2008 22:24:28 -0800
Bil wrote:
Thanks for your responses.
For Gordon: the RF ground/counterpoise is a copper foil which - I
think - is connected to the engine block.
That probably "grounds" your electrical system to the water through the
propeller shaft.
Go figger...
For Chuck: I've not noticed the same erosion of the anode when in any.
of three different marinas and connected to shore power, including for
months at a time. I've only noticed the erosion after passages that
have included daily Pactor modem work. I renewed the shaft anode 3
months ago, found it erosion free 6 weeks ago before leaving a marina,
and found significant pitting when I checked it two days ago after
entering a marina (with 6 weeks of passage making and no shore power
connection in between checks).
Bil
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