GIS Dictionary
Browse dictionary
HARN
URL copied
Share URL
[geodesy]
Acronym for High Accuracy Reference Network. A regional or statewide resurvey and readjustment of NAD 1983 control points using GPS techniques. The resurvey date is often included as part of the datum name: NAD 1983 (1991) or NAD91.
Related Terms
control point
GPS
NAD 1983
surveying