bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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 Posted: Wed Nov 28, 2007 4:31 am Post subject: Re-GPS Antenna Coax Length |
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11/28/2007
Hello Wayne, I recently had my Garmin 430 upgraded to a 430W.
The Garmin installation manual specifically calls out both the type of cable
to be used (RGU 400 or 142) and the required length of that cable for the
430W installation.
The specific antenna cable length for the 430W installation is there to
provide the desired signal strength between the powered antenna and the
box -- not too strong, not too weak. The cable length that is excess to my
installation needs is just coiled up.
I don't know why the technician that you talked to was either ignorant of or
in violation of the installation manual instructions, but if you have his
name I would call back and ask him to clarify.
Please let us know what you learn.
'OC' Says: "The best investment we can make is the effort to gather and
understand knowledge."
------------------------------------
Time: 03:14:06 PM PST US
From: "Wayne Sweet" <w_sweet(at)comcast.net>
Subject: Avionics-List: Re-GPS Antenna Coax Length
When in doubt, go to the front end of the horse.
Straight from the "horse's mouth" (Garmin installation tech rep
913-397-8200); there is no requirement for either the GNS430 or GNS530W
minimum or maximum coax cable length.
Wayne
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