REFLECTOR: Nav/Comm Coax in FB Wings
Dave Philipsen
velocity at davebiz.com
Mon Aug 28 14:21:08 CDT 2006
Don't sweat it too much. If you had to, you could put a SWR meter on
each one and figure it out that way. The SWR of the Nav antenna should
bottom out at a lower frequency than the Comm antenna. Another idea
that might work (if your antennas are open-ended dipoles) would be to
use one of those testers that electricians use while applying an AC
voltage to the coax.
bdtopp at comcast.net wrote:
> I am having difficulty determining which of the coax cables exiting
> the wing roots is the Comm cable and which is the Nav cable. It is
> also unclear whether my wings were from Allan Shaw or from the
> Velocity factory as they were delivered around the time Allan was
> getting out of the fast build business. I called Velocity and they
> recommended that I look down the coax conduit hole as the Nav cable
> terminates first. Unfortunetly my wings are on the airplane and I
> can't see down the coduit far enough.
> I noticed something on how the cables were marked and was wondering
> if anybody on the reflector reconizes the markings. The cables
> exiting both wing roots are marked in the following manner. There is
> a longer cable with black duct tape wrapped around it, and, the
> shorter cable has grey duct tape wrapped around it. Does anybody know
> if these markings mean something??? I am guessing since both wing
> roots are marked in the same manner that it does. Thanks...
>
> Bruce Topp
> XL-FG
>
>
> ------------------------------------------------------------------------
>
> Subject:
> Re: REFLECTOR: Nose Oil Cooler cable connection
> From:
> HYTEC45 at aol.com
> Date:
> Mon, 28 Aug 2006 13:24:47 +0000
> To:
> reflector at tvbf.org
>
> To:
> reflector at tvbf.org
>
>
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--
Dave Philipsen
STDFG
N171SP
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