ACK and ss firewall

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From: William T Bartlettby way of Marvin Kaye <marvkaye [at] olsusa.com> <wtbart [at] olympus.net>
Subject: ACK and ss firewall
Date: Thu, 03 Dec 1998 10:25:39 -0500
To: <lancair.list [at] olsusa.com>

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I have one of the earliest ACK  ELTs mounted under the left forward seat

pan. When I first got it

was set off quite often when I was transmitting. There was a notice posted

in one of the magazines

that if this happened the unit was to be sent back to ACK. I sent mine back

to them and they put a

ferrite (?) on the telephone type cable that goes to the control unit and

some internal changes. The

unit has never gone off since except for tests. I did have lots of RF

related problems when my plane

was new. Mostly caused by the cheap intercom I was using. RF even lit my

gear lights. The RV guys

don't have RF problems in their planes because the antennae are outside and

RF won't go through Al.

I still set off my gear warning horn when I transmit sometime.

I dismissed Marvs concern about the crushing of fiberfax too quickly,

because the 235 only called

for 1 layer of fiberfax, and that did not distort the SS.

Bill N7WB