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Precision GPS: Grid vs. Ground

Posted by Justin Farrow on February 12, 2019 at 2:48pm in Tutorial, How-to, Equipment

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grid, ground, grid vs ground, surveying, how-to, tutorial

Why does my GPS always measure distance shorter than my Total Station? Mark talks about Grid vs. Ground distance measurements when using Survey and Mapping Grade GPS receivers. Part of Mark's 'Survey and Mapping GPS Essentials' and 'MobileMapper Field' series.

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