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#1
April 5th 11, 06:19 AM
posted to rec.aviation.soaring
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MRX PCAS displays wrong code and altitude for my transponder
The MRX is mounted on top of the glare shield and the Becker is driving a L2 antenna mounted in the nose of my ASH-26E, just forward of the rudder pedals.
When I squawk 1201, the MRX shows 1236 (or other 12xx code) and the altitude is about 500' lower than what's on the Becker. Are the antennas too close to each other? I'm thinking of putting a sheet of foil just under the MRX and forward to provide some shielding from the xponder antenna. Since the MRX is attached to the glare shield, which in turn is attached to the canopy, I could also install a length of coax and place the MRX antenna by my shoulder on the canopy rail. Thoughts? -Tom 
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