Eye4Software Hydromagic

  Hydrographic Survey Software

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Eye4Software Hydromagic - Knowledge Base - Tags - Map Datum Conversion

Q200011 What is HARN or HPGN ?
A High Accuracy Reference Network (HARN) and a High Precision Geodetic Network (HPGN) were two designations used for a statewide geodetic network upgrade. The generic acronym HARN is now used for both HARN and HPGN and was adopted to remove the confusion arising from the use of two acronyms. A HAR ...
Tags:  HARN, HPGN, Map Datum Conversion, Map Datum Transformation Grid, Transformation Grid