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Garmin GTX327 with uAvionix Echo/SafeFly GPS/SPC

Postby Sonex1517 » Tue Mar 26, 2019 12:16 am

Until recently, my Garmin GTX327 was working fine. I used the encoder from my GRT Mini.

Now ATC says no Mode C. The 327 shows a pressure altitude and in flight I see the R illuminate when the transponder is interrogated.

Here’s what changed:

I installed an EIS-66R Remote Engine Information System, Serial Port Combiner, SafeFly GPS, and uAvionix Echo. Everything is talking, the Mini shows the EMS, and if it were a configuration issue I would expect to not see the pressure altitude on the GTX. In fact, with the Mini turned off the pressure altitude does not show up.

Any suggestions are welcome - my assumption is I did something to cause this, but I’m kind of out of ideas.

Thanks!
Robbie Culver
Sonex 1517
Robbie Culver
Sonex 1517
Jabiru 3300 Generation 4 powered taildragger
N1517S
First flight 10/10/2015
http://www.sonexfoundation.com
Sonex1517
 
Posts: 21
Joined: Mon Jul 21, 2014 12:51 am
Location: Chicagoland

Re: Garmin GTX327 with uAvionix Echo/SafeFly GPS/SPC

Postby Sonex1517 » Wed Mar 27, 2019 2:26 am

Cleaned the transponder antenna and it works. It’s always the little stuff....
Robbie Culver
Sonex 1517
Jabiru 3300 Generation 4 powered taildragger
N1517S
First flight 10/10/2015
http://www.sonexfoundation.com
Sonex1517
 
Posts: 21
Joined: Mon Jul 21, 2014 12:51 am
Location: Chicagoland

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