Horizontal Datum in Records, with Code
For the records in Hydrographic Survey files, the horizontal datum to which the
associated geographic positions are referenced.
NOS01 - Bessel Spheroid 1841-80
NOS02 - Clarke Spheroid of 1866
NOS03 - Astronomic Datum (General)
NOS04 - United States Standard Datum 1901
NOS05 - North American Datum 1913
NOS06 - North American Datum 1927
NOS07 - Old Hawaiian Datum
NOS08 - Kauai Datum
NOS09 - Lisanski 1931 (Field)
NOS10 - Laysan 1930 (Field)
NOS11 - Gardners Pinnacles 1929 (Field)
NOS12 - French Frigate Shoal 1928 (Field)
NOS13 - Necker 1928 Datum
NOS14 - Nihoa 1928 Datum
NOS15 - Vigan Datum
NOS16 - Luzon Datum 1911
NOS17 - San Juan Astro Datum 1901
NOS18 - Puerto Rico Datum
NOS19 - Limon Bay - Colon 1877
NOS20 - Panama Harbor Panama Cathedrl 1877
NOS21 - Panama - Colon Datum 1911
NOS22 - Valdez Datum
NOS23 - Unalaska Datum
NOS24 - Southeast Alaska Datum
NOS25 - Aleutian Islands Datum
NOS26 - Nushagak Bay Datum
NOS27 - Cape Newenham Datum
NOS28 - Norton Sound Datum
NOS29 - Port Clarence and Pribilof Islands
NOS30 - North American Datum of 1902
NOS31 - North American Datum of 1983
NOS32 - Guam 1963 Datum
NOS33 - World Geodetic System (WGS) 1972
NOS34 - World Geodetic System (WGS) 1984
NOS35 - Johnston Island 1961 Astro Datum
NOS36 - Maro Reef Astro Datum 1930 (Field)
NOS37 - Bosun Astronomic Datum 1941 Field
NOS38 - Preliminary North American 1927
NOS39 - Palmyra Atoll - Astro Datum 1944