mvultaggio
Joined: 26 Apr 2008
Posts: 5
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 Posted: Sat Oct 30, 2010 6:37 am Post subject: xm weather receiver |
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Has anyone had a problem with an xm weather receiver causing an over-ride of the squelch function of their com radios. When I have the xm box on and connected to an AVMap portable moving map/gps, much of the time there is a lot of noise (static) that sounds like the squelch button is pulled on my collins nav radio. The static continues throughout transmissions from atc. Occassionally everthing is quiet and works properly, but there are also lots of times when there is static, even when radio transmissions are quiet. As soon as I pull the breaker that controls power to the xm box, the noise stops immediately. I have the box mounted in the rear of the aircraft on the hat shelf, the power and antenna run to the front of the plane under the headliner, and the antenna for the xm box is sitting on a glareshield mount, right next to the gps antenna for the avmap. This is in a beech sierra aircraft. I am going to go fly and have someone disconnect the antenna lead from the unit in flight to see if it is the antenna. I will also disconnect power at the unit to see if that has any effect. I will also pull the data transmission line out to see what that does. thanks
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