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  #11  
Old 01-01-2018, 01:41 PM
RandyAB RandyAB is offline
 
Join Date: May 2016
Location: St Albert, Alberta, Canada
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Quote:
Originally Posted by bkervaski View Post
I'm pretty sure the GTX345R only needs 1 antenna, it only has one antenna port.

The units you see with two ports are GPS equipped and that other port is for your GPS antenna.
That's what I thought too but I can't find a definitive answer. I will as G3EXPERT.
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Last edited by RandyAB : 01-01-2018 at 02:02 PM.
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  #12  
Old 01-01-2018, 02:09 PM
flyinga flyinga is offline
 
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Location: Fredericksburg, TX
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My 345, which uses the GNS430 for GPS position, only requires one antenna; the same one that the KT76A used.
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  #13  
Old 01-01-2018, 02:17 PM
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g3xpert g3xpert is offline
 
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Quote:
Originally Posted by RandyAB View Post
#1] I'm going to be using the Garmin GTX345R as a transponder. Is there a single blade antenna that will allow both ADS-B in and out combined?
Hello Randy,

The GTX 345R requires only a single antenna for both transponder receive/reply and ADS-B in/out functionality. Any antenna that meets TSO-C66 or TSO-C74 should be suitable.

- Matt
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  #14  
Old 01-01-2018, 03:12 PM
RandyAB RandyAB is offline
 
Join Date: May 2016
Location: St Albert, Alberta, Canada
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Quote:
Originally Posted by g3xpert View Post
Hello Randy,

The GTX 345R requires only a single antenna for both transponder receive/reply and ADS-B in/out functionality. Any antenna that meets TSO-C66 or TSO-C74 should be suitable.

- Matt
Thanks Matt. That is awesome.
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