ATP-3-09-02 Field Artillery Survey Download
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Glossary 16 February 2016 ATP 3-09.02 Glossary-3 WGS World Geodetic System WLR weapons locating radar ZUPT zero velocity update SECTION II - TERMS *common control The horizontal and vertical map or chart location of points in the target and position area, tied in with the horizontal and vertical control in use by two or more units. *common grid Refers to all firing and target-locating elements within a unified command located and oriented to prescribed accuracies with respect to a single three-dimensional datum. Datum (geodetic) A mathematical model of the earth used to calculate the coordinates on any map. (JP 2-03)