Derived at 9 stations. Accuracy 15m, 8m and 11m in X, Y and Z axes. Note: SAD69 not adopted in Chile north of 43°30'S. Replaced by SAD69 to WGS 84 (17) to (19) (codes 6974, 6975 and 6976).
U.S. Defense Mapping Agency TR8350.2 September 1987.
See CRS code 4618 for recommended coordinate axis representation for the human interface.