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Science

(5,523 posts)

3. The GPS satellites can pinpoint your position in space.

Sat Jan 12, 2019, 08:52 PM

Jan 2019

The Earth's mapped magnetic field must be used to reference where on Earth your position is.

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Planet's erratic magnetic field forces emergency update to global navigation system [View all] Eugene Jan 2019 OP

Smartphones use GPS for navigation, not a compass Yonnie3 Jan 2019 #1

My phone has a magnetic compass, in addition to GPS. LakeSuperiorView Jan 2019 #2

The GPS satellites can pinpoint your position in space. rickford66 Jan 2019 #3

I don't think so Yonnie3 Jan 2019 #4