REFLECTOR: Radio weak and scratchy
Kirk Aragon
aragon_kirk at hotmail.com
Fri Sep 4 14:56:26 CDT 2009
Noel,
I probably should look at the pillar, to verify it's just glass. :-)
Kirk
EMAILING FOR THE GREATER GOOD
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From: gattenby at tulsaconnect.com
To: reflector at tvbf.org
Date: Fri, 4 Sep 2009 12:04:24 -0500
Subject: Re: REFLECTOR: Radio weak and scratchy
Kirk,
Is the "pillar" in front of you door made of carbon fiber? Some are.
Noel
On Fri, 4 Sep 2009 09:57:24 -0400
Kirk Aragon <aragon_kirk at hotmail.com> wrote:
>
>
> Rene,
>
>
>
> I experience many radio problems and I have Shaw wings
>also. Two years ago when I was at the factory, they
>confirmed that the winglets are carbon fibre and
>explained to me that radio waves will "ground" (maybe not
>the exact word that they used) to the carbon.
>
>
>
> I can receive from 60+ miles away, but transmission is
>only good for 2-3 miles. I currently carry a portable
>tranciever and when I get tired of hearing everyone
>telling me I'm "breaking up," I switch to it. With the
>portable, I can talk with ATC at 30+ miles.
>
>
>
> I've tried the "Advanced Aircraft Electronics" no ground
>plane antenna at the front pillar on the pilot side door,
>but have not noted substantial improvement in
>performance. I attribute that to the curved path that the
>antenna must take to conform to the aircraft hull.
>
>
>
> Since there are no other flat and vertical surfaces in
>the aircraft, I am unsure as to what my next steps will
>be to correct this issue. Perhaps some "surgery" on the
>winglets to create fiberglass windows. Maybe glassing in
>an aluminum or stell mesh in the floor of the aircraft
>and mounting an external antenna.
>
>
>
> I would be interested in your fix if you find one. I
>would also be interested in other aircraft owners (with
>Shaw wings) radio experience.
>
>
>
> Cheers
>
>
>
> Kirk
>
> N360TV, 1996 Velocity SERG
> TO-360-E1A6D
>
>
>
>
>
>
>
> EMAILING FOR THE GREATER GOOD
> Join me
>
>
>
>
>
>From: dugasd at bellsouth.net
> To: reflector at tvbf.org
> Date: Thu, 3 Sep 2009 18:08:57 -0500
> Subject: REFLECTOR: Radio weak and scratchy
>
>
>
>
>
> Dear Radio Wave Gurus,
> I have a number one radio that is weak and scratchy per
>ATC. I have dual Garmin 430s with Shaw wings and embedded
>ant. I cleaned all my connections in the radio stack and
>the BNC connectors to the wing ant connection. I
>confirmed continuity of the shielding and central
>conductor. I had made no changes in over 300 hour of
>flying without problem. So I sent it in to Garmin who
>“realigned something” and charged me $1,000.00 through my
>avionics shop. It is no better. Can only partially be
>heard by atc on the taxiways. I suspect and antenna or
>wiring problem but I am unsure what to do next. I have
>run a new coax outside of the plane to the wing BNC and
>no difference. If it is the antennae what can it be and
>how do I check it? If it is the rack – ideas? My next
>thought was to replace the BNC connector on the antenna
>itself but I was reluctant to if I was just missing
>something. I now have upgraded both 430s and can swap
>them in the rack and it seems to be slot one problem. I
>don’t think it is a Garmin problem.
> Any help would be appreciated. Is there a Radio Shack
>fix?
> Rene’
>
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