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Old 07-31-2019, 07:57 PM
WingsOnWheels WingsOnWheels is offline
Join Date: Mar 2009
Location: Plano, TX
Posts: 1,936
Default Garmin GTR200 squelch problem

So I put in a new GTR200 a few weeks back to replace my KY97A. The first flight after the install was about 2 hrs early in the morning at altitude where it was cool and I had no problems.

Today it was really hot. The comm was working fine for most of the flight. For the last 10min or so I was down around 2k, OAT was probably 95F. As I approached the airport, it broke squelch. I pushed the squelch button, no change. I swapped frequencies and back, it went away. In the patteren it broke squelch again and I could not get it to stop. There was no one else flying at the time, so I have no idea if it was working or not at the time.

I am thinking this may be heat related. The airplane lives in a hangar, so it wasn't heat-soaked. Other than this, i have no noise or interference in my comm system. Everything is super clear.
Colin P.
RV-6A #20603
Complete 5/10/19
I donate every year on my B-Day (in Dec), but donated early in Sep'19.
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