Position Dilution of Precision (PDOP)

Geospatial Technology September 27, 2011 Print Friendly and PDF

A unitless figure of merit expressing the relationship between the error in user position and the error in satellite position. For most purposes and GPS receivers, PDOP values considered good for positioning are small, such as 3. Values greater than 7 are considered poor.

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.