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Re: [TowerTalk] Sharing a GPS Antenna

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Sharing a GPS Antenna
From: Clay Autery <cautery@montac.com>
Date: Mon, 14 Aug 2017 10:55:42 -0500
List-post: <mailto:towertalk@contesting.com>
Thank you, sir! 

______________________
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 8/14/2017 10:13 AM, jimlux wrote:
> Timenuts will happily split - most GPS antenna units have plenty of gain.
>
> Cable TV splitters are a good start - as to whether or not they have a
> DC block, it probably depends on the kind.
>
> Minicircuits has a bunch of Bias Tees
>
> https://www.minicircuits.com/WebStore/BiasTees.html
>
> One issue is whether your GPS receiver is expecting to see a load, so
> you may need a resistor on the line to fool the receiver into thinking
> it has an antenna hooked up.
>
>
> You can search the Time-Nuts mailing list at febo.com - this comes up
> all the time.
>
> a search like "site:febo.com GPS splitter" will bring up lots of
> useful hits
>

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