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Placement of Satellite weather antenna

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garrys(at)tampabay.rr.com
Guest

Posted: Tue Jun 09, 2009 3:41 pm Post subject: Placement of Satellite weather antenna

I've been having problems getting a good signal on  my satellite weather receiver.  I downloaded a data-logging file of my last  flight and sent it to Grand Rapids for analysis.  They said that I'm only  getting a good signal when facing a heading of 25 to 75 degrees.

  

 I have a 7A with a slider, and have mounted the  satellite antenna on the glare shield, right up against the  windscreen.  It's next to my GPS antenna and I have no problems signalwise  with it. Does anyone have a suggestion as to where to mount the antenna for a  better view of the sky?

  

 Garry Stout

 Tampa, FL

  

    [quote][b]

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Tim Olson

Joined: 25 Jan 2007
Posts: 2881

Posted: Tue Jun 09, 2009 4:13 pm Post subject: Placement of Satellite weather antenna

Try just moving it away from the GPS antenna....that may be the whole problem.

Tim



On Jun 9, 2009, at 6:27 PM, "Garry" <garrys(at)tampabay.rr.com (garrys(at)tampabay.rr.com)> wrote:



[quote]  I've been having problems getting a good signal on  my satellite weather receiver.  I downloaded a data-logging file of my last  flight and sent it to Grand Rapids for analysis.  They said that I'm only  getting a good signal when facing a heading of 25 to 75 degrees.

  

 I have a 7A with a slider, and have mounted the  satellite antenna on the glare shield, right up against the  windscreen.  It's next to my GPS antenna and I have no problems signalwise  with it. Does anyone have a suggestion as to where to mount the antenna for a  better view of the sky?

  

 Garry Stout

 Tampa, FL

  

     	  Quote: 	
		  



	


[b]

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garrys(at)tampabay.rr.com
Guest

Posted: Tue Jun 09, 2009 5:44 pm Post subject: Placement of Satellite weather antenna

Tim, ok I'll move it and see what happens.   Thank you.  But for my education, why would proximity to my GPS antenna  create a problem?

  

 Garry

  

 [quote]   ---

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Tim Olson

Joined: 25 Jan 2007
Posts: 2881

Posted: Tue Jun 09, 2009 6:51 pm Post subject: Placement of Satellite weather antenna

Well, it's  been seen before with other antennas on the glareshield,

where even a 496 antenna may interfere with another antenna.  And

and active antenna may actually be putting out a bit of noise.

Yeah, it's receive only, but it's just not unheard of that the

antennas can interfere.  When I went to install my Wx and GPS

antennas on the cabin top, they specified 12" minimum separation

between them in the install docs.  I'm not saying that for your

particular case that it will fix it....but it's a real quick

thing to test before you get too far into tearing things up.



Tim Olson - RV-10 N104CD

Garry wrote:

[quote] Tim, ok I'll move it and see what happens.  Thank you.  But for my 

 education, why would proximity to my GPS antenna create a problem?

  

 Garry

  

 

     ---

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