Geometric Dilution of Precision

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Geometric Dilution of Precision

</dt>
(abbr GDOP). As applied to a trajectory measuring system, the increase in error of calculated space position which is caused by the location of the measured position relative to the system. </dd>
This is an increase which is caused solely by the geometry of the problem and assumes that all basic measurements maintain a constant accuracy. </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use