How GPS keeps up with the continent that’s in constant motion

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Nothing on the Earth’s solid surface is static because all land is moving very slowly due to continental drift. This very slow movement affects everything around you in the same way so you can’t tell it is happening, unless you are able to very accurately measure where on the Earth’s surface you are.

The Australian continent, perched on the planet’s fastest moving tectonic plate, is drifting at about seven centimetres a year to the northeast. This is taking features marked on our maps out of line with the global navigation satellite systems (GNSS) such as GPS.

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More about Geocentric Datum Of Australia, Tectonic Plates, Continental Drift, Australia, and Gps …read more

Via: Mashable: Dev & Design

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