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## Main Question or Discussion Point

Hello,

I need to calculate how accurate a GPS system is using only Special Relativity and a very basic knowledge of GR (without tensors...which is limited).

I'm not sure where to begin however... where does the uncertainty in the measurement come from? How can I calculate the size of the uncertainty of a GPS position?

Any references or insight would be GREATLY APPRECIATED.

Thanks PF,

J

I need to calculate how accurate a GPS system is using only Special Relativity and a very basic knowledge of GR (without tensors...which is limited).

I'm not sure where to begin however... where does the uncertainty in the measurement come from? How can I calculate the size of the uncertainty of a GPS position?

Any references or insight would be GREATLY APPRECIATED.

Thanks PF,

J