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DU Home » Latest Threads » Forums & Groups » Topics » Science » Science (Group) » Planet's erratic magnetic... » Reply #4

Response to rickford66 (Reply #3)

Sat Jan 12, 2019, 08:01 PM

4. I don't think so

It may be used to determine your heading. GPS can determine your position on earth without the magnetometer. If you don't have good satellite line of sight then it may be used to help. My old GPS has no magnetometer and is highly amusing when it gets a bad position fix.

https://www.quora.com/Would-GPS-receivers-fully-work-without-the-Earths-magnetic-field-as-a-reference

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