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→Coordinate System
[[Image:Tagger_Hall_Coord.png|center|thumb|900px|Figure 1: The three coordinate systems often referred to in association with the Tagger Hall. (Image taken from a [https://halldweb.jlab.org/wiki/images/e/e0/TaggerHodoscopeEnergy-1-2017.pdf Dan Sober Presentation])]]
[[Image:Tagger_Hall_Coord.png|center|thumb|900px|Figure 1: The three coordinate systems often referred to in association with the Tagger Hall. (Image taken from a [https://halldweb.jlab.org/wiki/images/e/e0/TaggerHodoscopeEnergy-1-2017.pdf Dan Sober Presentation])]]
In Spring 2017 a survey of the various beamline components saw a small change in the Tagger Microscope position. The Microscope (upstream center) position derived from this survey is shown below and includes a magnet center shift from previous measurements.