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Do GPS coordinates of a fixed point in space ever change?

Does the GPS coordinates of a point fixed in space change with time? The GPS uses a coordinate system which is Earth-centered and Earth-fixed (ECEF). Coordinates are fixed to the average Earth (...
mins's user avatar
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Do GPS coordinates of a fixed point in space ever change?

Let me give an attempt at this one. So you have it slightly backward... "once the GPS coordinates of a point in space have been determined (say a GPS waypoint)." There are no GPS waypoints. ...
Timbo's user avatar
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5 votes
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Do GPS coordinates of a fixed point in space ever change?

The coordinates of a fixed point on earth do change, but they do change very slowly. WGS84 is a coordinate system. It is based on an ellipsoid that approximates Earth's shape. The surface of the ...
DeltaLima's user avatar
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4 votes

Do GPS coordinates of a fixed point in space ever change?

Conceptually, yes they change over time with respect to locations on the earth. Older mapping used a global model that assumed a static coordinate system, tied to the globe in one place (prime ...
BowlOfRed's user avatar
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Do GPS coordinates of a fixed point in space ever change?

You are confusing the coordinates given by the GPS with the physical coordinates of a point. The physical coordinates will never change unless the earth moves, as in an earthquake, for example. The ...
Juan Jimenez's user avatar
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