EPSG:CODE

ITRF97 to NAD83(CORS96) (1)

EPSG:4918 EPSG:6781

Coordinate Reference Systems

Remarks

Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. 1996 derivation (see CT 6864) concatenated with IGS value of ITRF96>ITRF97. Replaced by CT code 6866 from 2002-01-01. See CT code 8260 for Canadian equivalent.

Frequently Asked Questions

What is the accuracy of the ITRF97 to NAD83(CORS96) transformation?

This is an exact transformation (EPSG:6865) with no loss of precision (0m accuracy) using the Time-dependent Coordinate Frame rotation (geocen) method. Area of use: USA - CONUS and Alaska; PRVI.