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001607: Distance values exceed 30 degrees. Chordal distances are not accurate beyond 30 degrees.


When your input features are not projected (that is, when coordinates are given in degrees of latitude and longitude), or when the output coordinate system is set to a geographic coordinate system, or when you specify an output feature class path to a feature dataset that has a Geographic Coordinate System spatial reference, distances will be computed using chordal measurement. Unfortunately, Chordal distance measurements only provide a good estimate of geodesic distances smaller than about 30 decimal degrees.


Project your data to a projected coordinate system, enter smaller distance parameter values, or accept the default distance parameters, and rerun the analysis.