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Alternative magnetic compass



 
 
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Old October 30th 15, 05:12 PM posted to rec.aviation.soaring
Bruce Hoult
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Default Alternative magnetic compass

On Friday, October 30, 2015 at 6:26:52 PM UTC+3, wrote:
I was having fun with my comment about counting the GPS gadgets. Agreed that the iPhone uses GPS and GLONASS. I know that's not true with all devices; does anyone know if the receivers used for our soaring-specific stuff do?


I think you'll find that all reasonably recent phones can use both GLONASS and GPS. The Russian government made GLONASS compatibility a requirement of selling in Russia, and it's not worth making some with and some without. Samsung's first was the Galaxy S II, and Apple's first was the iPhone 4s. (both released roughly northern summer 2011)

I'd expect that everything else uses GPS chips made for phones now, as phones are so much higher manufacturing volume than everything else that their chips end up the cheapest.
 




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