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Date: Sat, 09 Jul 2005 17:32:45 -0400
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From: Tom Hall <tkhall@highland.net>
Subject: Re: [LML] Re: RFI using WX WORX
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Hi Guys,

Let me throw in my 2 cents worth. I've been using WxWorx for 2 years and I 
have seen some of the interference issues. WxWorx suggests that there be 
atleast 12" and preferably 18" distance between the antennae. That can be 
difficult. I have found that they can be side-by-side, BUT it can cause 
erratic results. They want this clearance with any emitting device. I find 
that my best results have been with separating the WxWorx antenna and the 
GPS antenna but at least 12".

I am currently using Bluetooth Wxworx and Bluetooth GPS and it works great. 
I just recently switched to the Bluetooth arrangement. Previously I used USB 
connections for both. I have tried the antennae under the instrument panel 
cover and it works, but I am currently leaving the GPS (Holux) and the 
WxWorx puck antennae on the top.

I have noted on my last flights that the GPS will lose signal if it is too 
close to the WxWorx receiver/antenna area. It gave no problems when I move 
it away. I guess it is possible that there could be some Bluetooth 
interference, but I imagine that it is related to the proximity of the 
antennae.

These results are based on my Bonanza. LNC4 will hopefully fly this fall.

Tom Hall


> John,
>
> I always have the WIFI turned off in the cockpit.  I have the WXWORX, 
> fixed GPS antenna and the Holux GPS side by side on a platform at the roof 
> behind the rollover structure.  The GPSs both work normal.  The NAV 
> antenna is nearby but the COMM antenna is far away in the vertical stab.
>
> I will test alternately with the WXWORX, Holux, and both turned off.  Was 
> the "interference" you mentioned squelch breaking or something else?
>
>
> Tom Thibault
>
>