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You are here: OGC Public Wiki>MetOceanDWG Web>VerticalCRS>DIGESTDatumCodes (20 Nov 2014, JasonSmith)Edit Attach
DIGEST Datum Codes
| Horizontal Datum from DIGEST | DIGEST Code | Ellipsoid |
|---|---|---|
| Dominica Astro M-12, Dominica, Lesser Antilles | DOM | |
| Indian | IND | |
| Indian (Thailand and Vietnam) | INDA | |
| Lisbon (Castelo di Sao Jorge), Portugal | LIS | |
| Local Astro. | LOC | |
| Manokwari (West Iran) | MAW | |
| Ocotopeque, Guatemala | OCO | |
| Sainte Anne I 1984 (Guadeloupe) | SAG | |
| Average Terrestrial System 1977, New Brunswick, Nova Scotia, Prince Edward Island | ATX | Average Terrestrial System 1977 |
| Ordnance Survey of Great Britain 1936 | OGB | Airy (1830) |
| Ordnance Survey G.B. 1936 (England) | OGBA | Airy (1830) |
| Ordnance Survey G.B. 1936 (England, Isle of Man, and Wales) | OGBB | Airy (1830) |
| Ordnance Survey G.B. 1936 (Scotland and Shetland Islands) | OGBC | Airy (1830) |
| Ordnance Survey G.B. 1936 (Wales) | OGBD | Airy (1830) |
| Ordnance Survey G.B. 1936 (Mean value: England, Isle of Man, Scotland, Shetland, and Wales) | OGBM | Airy (1830) |
| Anna 1 Astro 1965 (Cocos Islands) | ANO | Australian National (1966) |
| Australian Geod. 1966 (Australia and Tasmania Is.) | AUA | Australian National (1966) |
| Australian Geod. 1984 (Australia and Tasmania Is.) | AUG | Australian National (1966) |
| Oslo Observatory (Old), Norway | OSL | Bessel (Modified) |
| Schwarzeck (Namibia) | SCK | Bessel 1841 (Namibia) |
| Hong Kong 1929 | HKO | Clarke 1858 |
| Trinidad 1903 | TRI | Clarke 1858 |
| Mount Dillon, Tobago | MDT | Clarke 1858 (Modified) |
| Sydney Observatory, New South Wales, Australia | SYO | Clarke 1858 (Modified) |
| American Samoa Datum 1962 | AMA | Clarke 1866 |
| Approximate Luzon Datum (Philippines) | APL | Clarke 1866 |
| Bermuda 1957 (Bermuda Islands) | BER | Clarke 1866 |
| Cape Canaveral (Mean value: Florida and Bahama Islands) | CAC | Clarke 1866 |
| Compensation Geodesique du Quebec 1977 | CGX | Clarke 1866 |
| Guam 1963 | GUA | Clarke 1866 |
| L.C. 5 Astro 1961 (Cayman Brac Island) | LCF | Clarke 1866 |
| Luzon | LUZ | Clarke 1866 |
| Luzon (Philippines except Mindanao Island) | LUZA | Clarke 1866 |
| Luzon (Mindanao Island) | LUZB | Clarke 1866 |
| North American 1927 | NAS | Clarke 1866 |
| North American 1927 (Eastern US) | NASA | Clarke 1866 |
| North American 1927 (Western US) | NASB | Clarke 1866 |
| North American 1927 (Mean value: CONUS) | NASC | Clarke 1866 |
| North American 1927 (Alaska) | NASD | Clarke 1866 |
| North American 1927 (Mean value: Canada) | NASE | Clarke 1866 |
| North American 1927 (Alberta and British Columbia) | NASF | Clarke 1866 |
| North American 1927 (Newfoundland, New Brunswick, Nova Scotia and Quebec) | NASG | Clarke 1866 |
| North American 1927 (Manitoba and Ontario) | NASH | Clarke 1866 |
| North American 1927 (Northwest Territories and Saskatchewan) | NASI | Clarke 1866 |
| North American 1927 (Yukon) | NASJ | Clarke 1866 |
| North American 1927 (Mexico) | NASL | Clarke 1866 |
| North American 1927 (Central America Belize, Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua) | NASN | Clarke 1866 |
| North American 1927 (Canal Zone) | NASO | Clarke 1866 |
| North American 1927 (Caribbean, Barbados, Caicos Islands, Cuba, Dominican Republic, Grand Cayman, Jamaica, Leeward Islands, and Turks Islands) | NASP | Clarke 1866 |
| North American 1927 (Bahamas, except San Salvador Island) | NASQ | Clarke 1866 |
| North American 1927 (San Salvador Island) | NASR | Clarke 1866 |
| North American 1927 (Cuba) | NAST | Clarke 1866 |
| North American 1927 (Hayes Peninsula, Greenland) | NASU | Clarke 1866 |
| North American 1927 (Aleutian Islands East of 180°W) | NASV | Clarke 1866 |
| North American 1927 (Aleutian Islands West of 180°W) | NASW | Clarke 1866 |
| Old Hawaiian | OHA | Clarke 1866 |
| Old Hawaiian (Hawaii) | OHAA | Clarke 1866 |
| Old Hawaiian (Kauai) | OHAB | Clarke 1866 |
| Old Hawaiian (Maui) | OHAC | Clarke 1866 |
| Old Hawaiian (Oahu) | OHAD | Clarke 1866 |
| Old Hawaiian (Mean value) | OHAM | Clarke 1866 |
| Puerto Rico (Puerto Rico and Virgin Islands) | PUR | Clarke 1866 |
| S-42 (Pulkovo 1942) | SPK | Clarke 1866 |
| St. Pierre et Miquelon 1950 | SPX | Clarke 1866 |
| Cape (South Africa) | CAP | Clarke 1880 (Cape) |
| Bekaa Base South End (Lebanon) | BEK | Clarke 1880 (IGN) |
| Carthage (Tunisia) | CGE | Clarke 1880 (IGN) |
| Conakry Pyramid of the Service Geographique (Guinea) | COV | Clarke 1880 (IGN) |
| Merchich (Morocco) | MER | Clarke 1880 (IGN) |
| New French or Nouvelle Triangulation Francaise (NTF) with Zero Meridian Paris | NFR1 or FDA | Clarke 1880 (IGN) |
| Reconnaissance Triangulation, Morocco | REC | Clarke 1880 (IGN) |
| Voirol 1875 | VOI | Clarke 1880 (IGN) |
| Voirol 1875 with Zero Meridian Paris | VOI1 | Clarke 1880 (IGN) |
| Palestine 1928 (Israel, Jordan) | PAL | Clarke 1880 (Palestine) |
| Indian (Pakistan) | INDP | Everest (Pakistan) |
| Hungarian 1972 | HUY | Geodetic Reference System 1967 |
| European Terrestrial Reference System 1989 (ETRS89) | EUT | Geodetic Reference System 1980 |
| Geocentric Datum of Australia (GDA) | GDS | Geodetic Reference System 1980 |
| Greek Geodetic Reference System 1987 (GGR 87) | GRX | Geodetic Reference System 1980 |
| Korean Geodetic System 1995 (South Korea) | KGS | Geodetic Reference System 1980 |
| North American 1983 | NAR | Geodetic Reference System 1980 |
| North American 1983 (Alaska, excluding Aleutian Islands) | NARA | Geodetic Reference System 1980 |
| North American 1983 (Canada) | NARB | Geodetic Reference System 1980 |
| North American 1983 (CONUS) | NARC | Geodetic Reference System 1980 |
| North American 1983 (Mexico and Central America) | NARD | Geodetic Reference System 1980 |
| North American 1983 (Aleutian Islands) | NARE | Geodetic Reference System 1980 |
| North American 1983 (Hawaii) | NARH | Geodetic Reference System 1980 |
| Old Egyptian (Egypt) | OEG | Helmert 1906 |
| Wake-Eniwetok 1960 (Marshall Islands) | ENW | Hough 1960 |
| GDZ80 (China) | GDZ | IAG Best Estimate 1975 |
| Indonesian 1974 | IDN | Indonesian National (1974) |
| Afgooye (Somalia) | AFG | Krassovsky (1940) |
| Modified BJZ54 (China) | BJM | Krassovsky (1940) |
| BJZ54 (A954 Beijing Coordinates) (China) | BJZ | Krassovsky (1940) |
| Pulkovo 1942 (Russia) | PUK | Krassovsky (1940) |
| Notes: (1) Horizontal datums can be used as vertical datums when the measure is made relative to the ellipsoid. (2) The original DIGEST table did not identify an Ellipsoid for every datum, and all misspellings are copied from the original DIGEST table as is. | ||
| South American 1969 | SAN | South American |
| South American 1969 (Argentina) | SANA | South American |
| South American 1969 (Bolivia) | SANB | South American |
| South American 1969 (Brazil) | SANC | South American |
| South American 1969 (Chile) | SAND | South American |
| South American 1969 (Columbia) | SANE | South American |
| South American 1969 (Ecuador) | SANF | South American |
| South American 1969 (Guyana) | SANG | South American |
| South American 1969 (Paraguay) | SANH | South American |
| South American 1969 (Peru) | SANI | South American |
| South American 1969 (Baltra, Galapagos Islands) | SANJ | South American |
| South American 1969 (Trinidad and Tobago) | SANK | South American |
| South American 1969 (Venezuela) | SANL | South American |
| South American 1969 (Mean value: Argentina, Bolivia, Brazil, Chile, Columbia, Ecuador, Guyana, Paraguay, Peru, Trinidad and Tobago, and Venezuela) | SANM | South American |
| Soviet Geodetic System 1985 | SGA | Soviet Geodetic System 1985 |
| Soviet Geodetic System 1990 | SGB | Soviet Geodetic System 1985 |
| Amersfoort 1885/1903 (Netherlands) | AME | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Djakarta (Batavia) (Sumatra Island, Indonesia) | BAT | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Djakarta (Batavia) (Sumatra Island, Indonesia) with Zero Meridian Djakarta | BAT1 | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Bern 1898 (Switzerland) | BRE | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Bern 1898 (Switzerland) with Zero Meridian Bern | BRE1 | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Bukit Rimpah (Bangka & Belitung Islands, Indonesia) | BUR | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| S-JTSK, Czechoslovakia (prior to 1 Jan 1993) | CCD | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Greek Datum, Greece | GRK | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Gunong Segara (Kalimantan Island, Indonesia) | GSE | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Gunong Serindung | GSF | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Hermannskogel | HER | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Massawa (Eritrea, Ethiopia) | MAS | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Montjong Lowe | MOL | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Padang Base West End (Sumatra, Indonesia) | PAD | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Padang Base West End (Sumatra, Indonesia) with Zero Meridian Djakarta | PAD1 | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Rauenberg (Berlin, Germany) | RAU | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Stockholm 1938 (Sweden) | STO | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Timbalai 1968 | TIN | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Tokyo | TOY | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Tokyo (Japan) | TOYA | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Tokyo (Korea) | TOYB | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Tokyo (Okinawa) | TOYC | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Tokyo (Mean value: Japan, Korea, and Okinawa) | TOYM | US - Bessel 1841 (Ethiopia, Indonesia, Japan, Korea) |
| Adindan | ADI | US - Clarke 1880 |
| Adindan (Ethiopia) | ADIA | US - Clarke 1880 |
| Adindan (Sudan) | ADIB | US - Clarke 1880 |
| Adindan (Mali) | ADIC | US - Clarke 1880 |
| Adindan (Senegal) | ADID | US - Clarke 1880 |
| Adindan (Burkina Faso) | ADIE | US - Clarke 1880 |
| Adindan (Cameroon) | ADIF | US - Clarke 1880 |
| Adindan (Mean value: Ethiopia and Sudan) | ADIM | US - Clarke 1880 |
| Antigua Island Astro 1943 | AIA | US - Clarke 1880 |
| Arc 1950 | ARF | US - Clarke 1880 |
| Arc 1950 (Botswana) | ARFA | US - Clarke 1880 |
| Arc 1950 (Lesotho) | ARFB | US - Clarke 1880 |
| Arc 1950 (Malawi) | ARFC | US - Clarke 1880 |
| Arc 1950 (Swaziland) | ARFD | US - Clarke 1880 |
| Arc 1950 (Zaire) | ARFE | US - Clarke 1880 |
| Arc 1950 (Zambia) | ARFF | US - Clarke 1880 |
| Arc 1950 (Zimbabwe) | ARFG | US - Clarke 1880 |
| Arc 1950 (Burundi) | ARFH | US - Clarke 1880 |
| Arc 1950 (Mean value: Botswana, Lesotho, Malawi, Swaziland, Zaire, Zambia, and Zimbabwe) | ARFM | US - Clarke 1880 |
| Arc 1960 | ARS | US - Clarke 1880 |
| Arc 1960 (Kenya) | ARSA | US - Clarke 1880 |
| Arc 1960 (Tanzania) | ARSB | US - Clarke 1880 |
| Arc 1960 (Mean value: Kenya, Tanzania) | ARSM | US - Clarke 1880 |
| Arc 1935 (Africa) | ART | US - Clarke 1880 |
| Montserrat Island Astro 1958 | ASM | US - Clarke 1880 |
| Camacupa Base SW End (Campo De Avianco, Angola) | CAM | US - Clarke 1880 |
| Dabola (Guinea) | DAL | US - Clarke 1880 |
| DCS-3 Lighthouse, Saint Lucia, Lesser Antilles | DCS | US - Clarke 1880 |
| Deception Island, Antarctica | DID | US - Clarke 1880 |
| Oman (Oman) | FAH | US - Clarke 1880 |
| Fort Thomas 1955 (Nevis, St Kitts, Leeward Islands) | FOT | US - Clarke 1880 |
| Kuwait Oil Company (K28) | KUW | US - Clarke 1880 |
| Legion (Ghana) | LEH | US - Clarke 1880 |
| Liberia 1964 (Liberia) | LIB | US - Clarke 1880 |
| Mahe 1971 (Mahe Island) | MIK | US - Clarke 1880 |
| Minna | MIN | US - Clarke 1880 |
| Minna (Cameroon) | MINA | US - Clarke 1880 |
| Minna (Nigeria) | MINB | US - Clarke 1880 |
| MPoraloko (Gabon) | MPO | US - Clarke 1880 |
| Viti Levu 1916 (Viti Levu Island, Fiji Islands) | MVS | US - Clarke 1880 |
| Nahrwan | NAH | US - Clarke 1880 |
| Nahrwan (Masirah Island, Oman) | NAHA | US - Clarke 1880 |
| Nahrwan (United Arab Emirates) | NAHB | US - Clarke 1880 |
| Nahrwan (Saudi Arabia) | NAHC | US - Clarke 1880 |
| Revised Nahrwan | NAX | US - Clarke 1880 |
| North Sahara 1959 | NSD | US - Clarke 1880 |
| Ayabelle Lighthouse (Djibouti) | PHA | US - Clarke 1880 |
| Point 58 Mean Solution (Burkina Faso and Niger) | PTB | US - Clarke 1880 |
| Pointe Noire 1948 | PTN | US - Clarke 1880 |
| South African (South Africa) | SAF | US - Clarke 1880 |
| Sierra Leone 1960 | SIB | US - Clarke 1880 |
| Timbalai 1948 (Brunei and East Malaysia Sarawak and Sabah) | TIL | US - Everest (Brunei and E. Malaysia (Sabah and Sarawak)) |
| Indian (Bangladesh) | INDB | US - Everest (India 1830) |
| Indian (1954) | INF | US - Everest (India 1830) |
| Indian 1954 (Thailand) | INFA | US - Everest (India 1830) |
| Indian 1960 | ING | US - Everest (India 1830) |
| Indian 1960 (Vietnam: near 16°N) | INGA | US - Everest (India 1830) |
| Indian 1960 (Con Son Island (Vietnam)) | INGB | US - Everest (India 1830) |
| Indian 1975 | INH | US - Everest (India 1830) |
| Indian 1975 (Thailand) | INHA | US - Everest (India 1830) |
| Kandawala (Sri Lanka) | KAN | US - Everest (India 1830) |
| Indian (India and Nepal) | INDI | US - Everest (India 1956) |
| Kalianpur (India) | KAB | US - Everest (India 1956) |
| Kertau 1948 (or Revised Kertau) (West Malaysia and Singapore) | KEA | US - Everest (W. Malaysia and Singapore 1948) |
| Ain el Abd 1970 | AIN | US - International 1924 |
| Ain el Abd 1970 (Bahrain Island) | AINA | US - International 1924 |
| Ain el Abd 1970 (Saudi Arabia) | AINB | US - International 1924 |
| Ascension Island 1958 (Ascension Island) | ASC | US - International 1924 |
| Astro Station 1952 (Marcus Island) | ASQ | US - International 1924 |
| Astro Beacon E (Iwo Jima Island) | ATF | US - International 1924 |
| Belgium 1950 System (Lommel Signal, Belgium) | BEL | US - International 1924 |
| Bissau (Guinea-Bissau) | BID | US - International 1924 |
| Bogota Observatory (Colombia) | BOO | US - International 1924 |
| Bogota Observatory (Colombia) with Zero Meridian Bogota | BOO1 | US - International 1924 |
| Campo Inchauspe (Argentina) | CAI | US - International 1924 |
| Canton Astro 1966 (Phoenix Islands) | CAO | US - International 1924 |
| Camp Area Astro (Camp McMurdo Area, Antarctica) | CAZ | US - International 1924 |
| Chatham 1971 (Chatham Island, New Zealand) | CHI | US - International 1924 |
| Chua Astro (Paraguay) | CHU | US - International 1924 |
| Corrego Alegre (Brazil) | COA | US - International 1924 |
| Guyana CSG67 | CSG | US - International 1924 |
| GUX 1 Astro (Guadacanal Island) | DOB | US - International 1924 |
| Easter Island 1967 (Easter Island) | EAS | US - International 1924 |
| European 1950 | EUR | US - International 1924 |
| European 1950 (Western Europe: Austria, Denmark, France, Federal Republic of Germany, Netherlands, and Switzerland) | EURA | US - International 1924 |
| European 1950 (Greece) | EURB | US - International 1924 |
| European 1950 (Norway and Finland) | EURC | US - International 1924 |
| European 1950 (Portugal and Spain) | EURD | US - International 1924 |
| European 1950 (Cyprus) | EURE | US - International 1924 |
| European 1950 (Egypt) | EURF | US - International 1924 |
| European 1950 (England, Channel Islands, Scotland, and Shetland Islands) | EURG | US - International 1924 |
| European 1950 (Iran) | EURH | US - International 1924 |
| European 1950 (Sardinia) | EURI | US - International 1924 |
| European 1950 (Sicily) | EURJ | US - International 1924 |
| European 1950 (England, Channel Islands, Ireland, Northern Ireland, Scotland, Shetland Islands, and Wales) | EURK | US - International 1924 |
| European 1950 (Malta) | EURL | US - International 1924 |
| European 1950 (Mean value: Austria, Belgium, Denmark, Finland, France, Federal Republic of Germany, Gibraltar, Greece, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, & Switzerland) | EURM | US - International 1924 |
| European 1950 (Iraq, Israel, Jordan, Kuwait, Lebanon, Saudi Arabia, and Syria) | EURS | US - International 1924 |
| European 1950 (Tunisia) | EURT | US - International 1924 |
| European 1979 (Mean value: Austria, Finland, Netherlands, Norway, Spain, Sweden, and Switzerland) | EUS | US - International 1924 |
| Observatorio Meteorologico 1939 (Corvo and Flores Islands, Azores) | FLO | US - International 1924 |
| Gan 1970 (Addu Atoll, Republic of Maldives) | GAA | US - International 1924 |
| Gandajika Base (Zaire) | GAN | US - International 1924 |
| Geodetic Datum 1949 (New Zealand) | GEO | US - International 1924 |
| DOS 1968 (Gizo Island, New Georgia Islands) | GIZ | US - International 1924 |
| Graciosa Base SW (Faial, Graciosa, Pico, Sao Jorge, and Terceira Island, Azores) | GRA | US - International 1924 |
| Herat North (Afganistan) | HEN | US - International 1924 |
| Provisional South Chilean 1963 (or Hito XVIII 1963) (S. Chile, 53°S) | HIT | US - International 1924 |
| Hjorsey 1955 (Iceland) | HJO | US - International 1924 |
| Hong Kong 1963 (Hong Kong) | HKD | US - International 1924 |
| Hu-Tzu-Shan | HTN | US - International 1924 |
| Bellevue (IGN) (Efate and Erromango Islands) | IBE | US - International 1924 |
| ISTS 061 Astro 1968 (South Georgia Islands) | ISG | US - International 1924 |
| ISTS 073 Astro 1969 (Diego Garcia) | IST | US - International 1924 |
| Johnston Island 1961 (Johnston Island) | JOH | US - International 1924 |
| Kerguelen Island 1949 (Kerguelen Island) | KEG | US - International 1924 |
| KKJ (or Kartastokoordinaattijarjestelma), Finland | KKX | US - International 1924 |
| Kusaie Astro 1951 | KUS | US - International 1924 |
| Loma Quintana (Venezuela) | LOM | US - International 1924 |
| Marco Astro (Salvage Islands) | MAA | US - International 1924 |
| Martinique Fort-Desaix | MAR | US - International 1924 |
| Mayotte Combani | MCX | US - International 1924 |
| Midway Astro 1961 (Midway Island) | MID | US - International 1924 |
| Rome 1940 (or Monte Mario 1940), Italy | MOD | US - International 1924 |
| Rome 1940 (or Monte Mario 1940), Italy, with Zero Meridian Rome | MOD1 | US - International 1924 |
| Naparima (BWI, Trinidad and Tobago) | NAP | US - International 1924 |
| Belgium 1972 (Observation dUccle) | ODU | US - International 1924 |
| Potsdam or Helmertturm (Germany) | PDM | US - International 1924 |
| Pitcairn Astro 1967 (Pitcairn Island) | PIT | US - International 1924 |
| Pico de las Nieves (Canary Islands) | PLN | US - International 1924 |
| SE Base (Porto Santo) (Porto Santo & Madeira Islands) | POS | US - International 1924 |
| Provisional South American 1956 | PRP | US - International 1924 |
| Prov. S. American 1956 (Bolivia) | PRPA | US - International 1924 |
| Prov. S. American 1956 (Northern Chile near 19°S) | PRPB | US - International 1924 |
| Prov. S. American 1956 (Southern Chile near 43°S) | PRPC | US - International 1924 |
| Prov. S. American 1956 (Columbia) | PRPD | US - International 1924 |
| Prov. S. American 1956 (Ecuador) | PRPE | US - International 1924 |
| Prov. S. American 1956 (Guyana) | PRPF | US - International 1924 |
| Prov. S. American 1956 (Peru) | PRPG | US - International 1924 |
| Prov. S. American 1956 (Venezuela) | PRPH | US - International 1924 |
| Prov. S. American 1956 (Mean value: Bolivia, Chile, Columbia, Ecuador, Guyana, Peru, & Venezuela) | PRPM | US - International 1924 |
| Qatar National (Qatar) | QAT | US - International 1924 |
| Qornoq (South Greenland) | QUO | US - International 1924 |
| Santo (DOS) 1965 (Espirito Santo Island) | SAE | US - International 1924 |
| Sao Braz (Sao Miguel, Santa Maria Islands, Azores) | SAO | US - International 1924 |
| Sapper Hill 1943 (East Falkland Islands) | SAP | US - International 1924 |
| Selvagem Grande 1938 (Salvage Islands) | SGM | US - International 1924 |
| Astro DOS 71/4 (St. Helena Island) | SHB | US - International 1924 |
| Tananarive Observatory 1925 | TAN | US - International 1924 |
| Tananarive Observatory 1925, with Zero Meridian Paris | TAN1 | US - International 1924 |
| Tristan Astro 1968 (Tristan da Cunha) | TDC | US - International 1924 |
| Astro Tern Is. 1961 (Tern Island, Hawaii) | TRN | US - International 1924 |
| Wake Island Astro 1952 | WAK | US - International 1924 |
| Yacare (Uruguay) | YAC | US - International 1924 |
| Zanderij (Surinam) | ZAN | US - International 1924 |
| Ireland 1965 (Ireland and Northern Ireland) | IRL | US - Modified Airy |
| South Asia (Southeast Asia, Singapore) | SOA | US - Modified Fischer 1960 (South Asia) |
| KCS 2, Sierra Leone | KCS | US - War Office 1924 (McCaw) |
| World Geodetic System 1960 | WGA | World Geodetic System 1960 |
| World Geodetic System 1966 | WGB | World Geodetic System 1966 |
| World Geodetic System 1972 | WGC | World Geodetic System 1972 |
| World Geodetic System 1984 | WGE | World Geodetic System 1984 |
| Sounding Datum from DIGEST | DIGEST Code |
|---|---|
| Approximate Lowest Astronomical Tide | ALAT |
| Approximate Mean Low Water Springs | AMLS |
| Approximate Mean Low Water Tide | AMLT |
| Approximate Mean Low Water | AMLW |
| Approximate Mean Sea Level | AMSL |
| Chart Datum (Unspecified) | CD |
| Equinoctial Spring Low Water | ESLW |
| Highest Astronomical Tide | HAT |
| Higher High Water Large Tide | HHLT |
| Highest Normal High Water | HNHR |
| Higher High Water | HRHW |
| Highest High Water | HTHW |
| High Water | HW |
| High Water Springs | HWS |
| International Great Lakes Datum 1985 | IGLD |
| Indian Spring High Water | ISHW |
| Indian Spring Low Water | ISLW |
| Lowest Astronomical Tide | LAT |
| Local Datum (arbitrary datum defined by local harbour authority) | LD |
| Lower Low Water Large Tide | LLLT |
| Lowest Low Water Springs | LLWS |
| Lower Low Water | LRLW |
| Lowest Low Water | LTLW |
| Low Water | LW |
| Low Water Springs | LWS |
| Mean Higher High Water | MHHW |
| Mean Higher Water | MHRW |
| Mean High Water | MHW |
| Mean High Water Neaps | MHWN |
| Mean High Water Springs | MHWS |
| Mean Lower Low Water Springs | MLLS |
| Mean Lower Low Water | MLLW |
| Mean Low Water | MLW |
| Mean Low Water Neaps | MLWN |
| Mean Low Water Springs | MLWS |
| Mean Sea | MSL |
| Mean Tide Level | MTL |
| Nearly Lowest Low Water | NLLW |
| Neap Tide | NT |
| Spring Tide | ST |
-- ChrisLittle - 20 Nov 2014
Edit | Attach | Print version | History: r2 < r1 | Backlinks | View wiki text | Edit wiki text | More topic actions
Topic revision: r2 - 20 Nov 2014, JasonSmith
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