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If I have multiple coordinate records for a point in the SDR file, which record is used?
 
Basic philosophies that the SDR33/31 and MAP software follow concerning point values as they are collected or processed are as follows: SDR33/31 - The SDR33/31 considers the last coordinate value recorded for a point as the most current. In other words, the coordinates from a station record are used for calculating any foresight from that station. If later in the SDR file, the user generates a station record with a new set of coordinates, or a POS KI (Keyboard Input), all foresights from that point, either new or previously recorded, will be recalculated using the new coordinate values.

NOTE: Changing the Station coordinates will only shift the Coordinate value for the Observations the amount the Station Coordinate is changed. The backbearing azimuth will not be recalculated.