Coordinate Reference Systems
Remarks
Accuracy 0.2m at 67% confidence level. Uses NADCON method which expects longitudes positive west; source and target CRSs have longitudes positive east. NADCON converts from Old Hawaiian Datum but makes the transformation appear to be from NAD27.
Frequently Asked Questions
What is the accuracy of the Old Hawaiian to NAD83 transformation?
This transformation (EPSG:1454) has an accuracy of 0.2m using the NADCON method. Area of use: USA - Hawaii - onshore.