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Alternative magnetic compass



 
 
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Old October 30th 15, 12:32 AM posted to rec.aviation.soaring
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Default Alternative magnetic compass

When you guys get finished counting up your electronics with triple redundant power supplies, keep in mind that you still have a single point of failu the GPS satellite system. I realize I'm ignoring phones that use the cell towers to triangulate your position but none of the whizzy soaring-specific gadgets have that capability, to my knowledge.

I've used a magnetic compass a LOT in nearly 3,000 hours of glider flying. Before GPS it was indispensable. I still refer to it occasionally for quick reciprocals (it's a vertical card). And it's nice to know that with it and my paper chart (yeah, how quaint), I could still get home. Of course, forget getting credit for the flight since the logger is worthless if the GPS system is taken down. Oh, well. It sits way forward on the glare shield and doesn't get in the way so that's where it will stay.

Chip Bearden
ASW 24 "JB"
U.S.A.
 




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