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P.S.  You can also drive out to the small airport and position your car on the 
"compass rose," a painted pattern on the aircraft parking area that 
represents the correct magnetic azimuths.  Don't try this at O'Hare or 
Atlanta's Hartsfield airports.  Phone the FBO first and stop at the counter 
so they know what you're up to.

Also, you might want to check to see if your indicated heading changes with 
changes in your electric load (head lights on/off, radio on/off) and decide 
what represents your "normal" condition.

Roger

  ----- Original Message -----
  From  Stephen Ellis
  To: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM
  Sent: Thursday, September 07, 2000 2:57 PM
  Subject: [NAV-L] digital compass, etc


  Hi I am new here, and I was wondering if anyone here has experience using a 
digital or analog compasses.  You see I just installed a digital compass in 
my car; a Ford Escort station wagon.  The instructions say to calibrate the 
compass, you have to press a button, then drive around in a circle twice, 
stop, then do another 2 circles.  I did that and the readings seem accurate.
  The compass is so-called "V1000 Copilot"  How do I know the readings I 
receive are exactly correct?  Of course I know generally which way I'm going 
(NSEW)and as I turn my car the readout seems to turn accordingly (if I turn 5 
degrees left the readout should show that)
   I realize this may not be the right list to post this question, but if you 
could  refer me to another list or answer this question I would appreciate 
it.  Thank you.
  Stephen

   

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