Multiple APX radios with single GPS antenna

Covering the following Subscriber devices: APX1000/1500, APX3000, APX4000/4500, APX6000, APX6000XE, APX6500, APX7000, APX7000XE, APX7000L, APX7500, and APX8000.

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John
Posts: 387
Joined: Sun Sep 09, 2001 4:00 pm

Multiple APX radios with single GPS antenna

Post by John »

Has anyone tried using more than one APX mobile connected to a single GPS antenna? I have an installation with 3 APX6500s all with GPS enabled. I don't really want to mount 3 GPS antennas. Since they are receive only I am guessing it may be possible to split the antenna to multiple radios however I assume they may be active antennas with DC power coming from the radio. Has anyone tried this before?

John
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Astro Spectra
Posts: 668
Joined: Sat Sep 22, 2001 4:00 pm

Re: Multiple APX radios with single GPS antenna

Post by Astro Spectra »

Easy enough to do, you can use standard satellite CATV splitters of the type with a power bypass on one port (that radio must always be active to power the GPS active antenna for the other radios to work). If you don't like F connectors or the insertion loss gets too high then there are lots of off-the-shelf units with sma connectors see:

http://www.gpssource.com/products/gps-splitter/

And

http://www.navtechgps.com/departments/e ... splitters/

PS: I have not tried these on a APX radio.
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Bill_G
Posts: 3087
Joined: Thu Sep 17, 2009 5:00 am

Re: Multiple APX radios with single GPS antenna

Post by Bill_G »

I like GPS Source. Great people with good solutions.
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