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| Look through our GPS Terminology below
to learn more about this very useful technology. GPS will
continue to revolutionize how the world communicates. |
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| D |
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Differential GPS
Differential GPS accuracy normally lies between 1 and 10 metres.
This type of GPS represents a single position, with corrections
applied from multiple, but instant, observations or points. |
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| E |
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Epoch Date
This date is normally written in decimal years. It represents
the date of validity for published data and coordinates. |
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| G |
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Ground Plane
A metal object which is used to deflect unwanted signals from
the GPS antenna. |
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| P |
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Phase center
From the point of the antenna, this is the center of the signal
reception. |
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