Mailing List lml@lancaironline.net Message #51849
From: terrence o'neill <troneill@charter.net>
Sender: <marv@lancaironline.net>
Subject: interference?
Date: Sun, 21 Jun 2009 20:30:22 -0400
To: <lml@lancaironline.net>
Problem;
The magnetometer is on the right shelf aft bulkhead of the baggage bin, and the AHRS on the right side, same bulkhead ... at prescribed distances from iron, motors and current-wires...
except --
the comm coax lead from navcom to the tail-mounted antenna passes 5-inches below the AHRS, and the nav coax lead form the navcom  to the tail-mounted nav antenna passes 3-inches below the magnetometer.
 
1.  When I key com tansmit, the magnetic heading (EFIS) swings about 10 degrees.
 
2. Last time I was tuirning onto the runway for a taxi-run and keyed transmit, the pilot flight display PFD 'gyro' tumbled, and the heading went into orbit-mode, rotating.
 
Do I need to move the coax leads?
 
Comments, admonishments, suggestions and humor all appreciated.
 
Electronically challenged Terrence
 
N211AL L235/320
 
 




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