Maptitude GISDK Help

Datums

 

The following table lists the ellipsoids used by common datums. You can use the table as a cross reference, to look up the ellipsoid used by Maptitude based on the datum:

 

Datum Name

Datum Abbreviation

Ellipsoid

Prime Meridian

Offset from Greenwich

Area of Use

Adindan

 

clrk80RGS

Greenwich

 

Burkina Faso, Cameroon, Ethiopia, Mali, Senegal, Sudan

Afgooye

 

krass

Greenwich

 

Somalia

Agadez

 

clrk80IGN

Greenwich

 

Niger

Ain el Abd 1970

Ain el Abd

intl

Greenwich

 

Bahrain Island

American Samoa 1962

 

clrk66

Greenwich

 

American Samoa

Amersfoort

 

bessel

Greenwich

 

Netherlands

Ancienne Triangulation Francaise

ATF

plessis

Paris

2.337229

France

Anna 1 Astro 1965

 

aust_SA

Greenwich

 

Cocos Islands

Antarctica

 

clrk80

Greenwich

 

Antartica

Antigua Island Astro 1943

 

clrk80

Greenwich

 

Antigua, Leeward Islands

Aratu

 

intl

Greenwich

 

Brazil - south of 2d55'S

Arc 1950

 

clrk80

Greenwich

 

Africa - south and east

Arc 1960

 

clrk80RGS

Greenwich

 

Africa - east

Ascension Island 1958

 

intl

Greenwich

 

Ascension Island

Astro B4 Sorol Atoll

 

intl

Greenwich

 

Tern Island

Astro Beacon 'E' 1945

 

intl

Greenwich

 

Iwo Jima Island

Astro DOS 71/4

 

intl

Greenwich

 

St. Helena Island

Astronomic Station 1952

 

intl

Greenwich

 

Marcus Island

Australian Geodetic Datum 1966

AGD66

aust_SA

Greenwich

 

Australia and Tasmania Island

Australian Geodetic Datum 1984

AGD84

aust_SA

Greenwich

 

Australia and Tasmania Island

Average Terrestrial System 1977

ATS77

ATS77

Greenwich

 

Canada - New Brunswick

Ayabelle Lighthouse

 

clrk80

Greenwich

 

Dijibouti

Barbados

 

clrk80RGS

Greenwich

 

Barbados

Batavia [Djakarta]

 

bessel

Jakata

106.807719

Sumatra Island (Indonesia)

Beduaram

 

clrk80IGN

Greenwich

 

Niger

Beijing 1954

 

krass

Greenwich

 

China

Bellevue (IGN)

 

intl

Greenwich

 

Efate and Erromango Islands

Bermuda 1957

 

clrk66

Greenwich

 

Bermuda Islands

Bern 1898

 

bessel

Bern

7.439583

Liechtenstein, Switzerland

Bern 1938

 

bessel

Greenwich

 

Liechtenstein, Switzerland

Bern CH-1903

 

bessel

 

 

Switzerland

Betio Island 1966

 

intl

Greenwich

 

Betio Island

Bissau

 

intl

Greenwich

 

Guinea-Bissau

Bogota Observatory

 

intl

Bogota

-74.080917

Colombia

Bukit Rimpah

 

bessel

Greenwich

 

Indonesia - Banga & Belitung Islands

Camacupa

 

clrk80RGS

Greenwich

 

Angola

Camp Area Astro

 

intl

Greenwich

 

Antartica, McMurdo Camp Area

Campo Inchauspe

 

intl

Greenwich

 

Argentina

Canton Astro 1966

 

intl

Greenwich

 

Phonenix Islands

Cape

 

clrk80RGS

Greenwich

 

South Africa

Cape Canaveral

 

clk66

Greenwich

 

Florida and Bahama Islands

Carthage

 

clrk80IGN

Greenwich

 

Tunisia

Chatham Island Astro 1971

 

intl

Greenwich

 

Chatham Island (New Zealand)

CHTRS

 

GRS80

Greenwich

 

Switzerland

Chua Astro

 

intl

Greenwich

 

Paraguay

Conakry 1905

 

clrk80IGN

Greenwich

 

Guinea

Corrego Alegre

 

intl

Greenwich

 

Brazil

Cote d'Ivoire

 

clrk80IGN

Greenwich

 

Cote d'Ivoire

Dabola

 

clrk80

Greenwich

 

Guinea

Datum 73

 

intl

Greenwich

 

Portugal

Dealul Piscului 1933

 

intl

Greenwich

 

Romania

Dealul Piscului 1970

 

krass

Greenwich

 

Romania

Deception Island

 

clrk80

Greenwich

 

Deception Island

Deir ez Zor

 

clrk80IGN

Greenwich

 

Syria

Deutsche Hauptdreiecksnetz

DHDN

bessel

Greenwich

 

Germany

Donard 1965

 

mod_airy

Greenwich

 

Ireland

DOS 1968

 

intl

Greenwich

 

Gizo Island (New Georgia Islands)

Douala

 

clrk80IGN

Greenwich

 

Cameroon

DXZ78

 

 

Greenwich

 

China

DXZ88

 

 

Greenwich

 

China

Easter Island 1967

 

intl

Greenwich

 

Easter Island

Egypt 1907

 

helmert

Greenwich

 

Egypt

ETRS89

 

GRS80

Greenwich

 

Estonia, Lithuania

European 1987 (ED 87)

 

intl

Greenwich

 

Europe

European Datum 1950

ED50

intl

Greenwich

 

Europe, Middle East, North Africa

European Datum 1987

ED87

intl

Greenwich

 

Austria, Finland, Netherlands, Norway, Spain, Sweden, Switzerland

European Reference System 1989

EUREF89

WGS84

Greenwich

 

Europe

Fahud

 

clrk80RGS

Greenwich

 

Oman

Fort Thomas

 

clrk80

Greenwich

 

Nevis, St. Kitts (Leward Islands)

Gandajika 1970

 

intl

Greenwich

 

Republic of Maldives

Garoua

 

clrk80IGN

Greenwich

 

Cameroon

Geocentric Datum of Australia 1994

GDA94

GRS80

Greenwich

 

Australia

Geodetic Reference System 1967

 

GRS67

Greenwich

 

Worldwide

Geodetic Reference System 1980

 

GRS80

Greenwich

 

Worldwide

Ghana

 

war_off

Greenwich

 

Ghana

Graciosa Base SW 1948

 

intl

Greenwich

 

Azores-Faial, Graciosa, Pico, Sao Jorge, Terceira

Greek

 

bessel

Athens

23.716336

Greece

Greek Geodetic Reference System

GGRS87

GRS80

Greenwich

 

Greece

Guam 1963

 

clrk66

Greenwich

 

Guam, Marianas Islands

Gunung Segara

 

bessel

Greenwich

 

Indonesia - Kalimantan

GUX 1 Astro

 

intl

Greenwich

 

Guadalcanal Island

Guyane Francaise

 

intl

Greenwich

 

French Guyana

Herat North

 

intl

Greenwich

 

Afghanistan

Hito XVIII 1963

 

intl

Greenwich

 

South Chili (near 53S)

Hjorsey 1955

 

intl

Greenwich

 

Iceland

Hong Kong 1963

 

intl

Greenwich

 

Hong Kong

Hu Tzu Shan

 

intl

Greenwich

 

Taiwan

Hungarian Datum 1972

HD72

GRS67

Greenwich

 

Hungary

Iben Astro 1947

 

clrk66

Greenwich

 

 

Indian

 

evrst30

Greenwich

 

Bangladesh, Bhutan

Indian

 

evrst56

Greenwich

 

India, Nepal, Pakistan

Indian 1954

 

evrst30

Greenwich

 

Myanmar, Thailand

Indian 1960

 

evrst30

Greenwich

 

Con Son Island, Vietnam

Indian 1975

 

evrst30

Greenwich

 

Thailand and Vietnam

Indonesian Datum 1974

ID74

indon

Greenwich

 

Padang

Ireland 1965

 

mod_airy

Greenwich

 

Ireland

Isle Socorro Astro

 

clrk66

Greenwich

 

 

ISTS 061 Astro 1968

 

intl

Greenwich

 

South Georgia Islands

ISTS 073 Astro 1969

 

intl

Greenwich

 

Diego Garcia

Jamaica 1875

 

clrk80o

Greenwich

 

Jamaica

Jamaica 1969

JAD69

clrk66

Greenwich

 

Jamaica

Johnston Island 1961

 

intl

Greenwich

 

Johnston Island

Kalianpur

 

evrst56

Greenwich

 

India, Pakistan

Kandawala

 

evrst30

Greenwich

 

Sri Lanka

Kartastokoordinaattijarjestelm

KKJ

intl

Greenwich

 

Finland

Kerguelen Island

 

intl

Greenwich

 

Kerguelen Island

Kusaie Astro 1951

 

intl

Greenwich

 

Caroline Islands, Fed. States of Micronesia

Kertau 1948

 

evrst48

Greenwich

 

West Malaysia and Singapore

Kuwait Oil Company

KOC

clrk80RGS

Greenwich

 

Kuwait

Kuwait Utility

KUDAMS

GRS80

Greenwich

 

Kuwait - Kuwait City

L.C. 5 Astro 1961

 

clrk66

Greenwich

 

Cayman Brac Island

La Canoa

 

intl

Greenwich

 

Venezuela

Lake

 

intl

Greenwich

 

Venezuela - Lake Maracaibo area

Leigon GCS 121

 

clrk80RGS

Greenwich

 

Ghana

Liberia 1964

 

clrk80RGS

Greenwich

 

Liberia

Lisbon

DLx

intl

Lisbon

-9.131906

Portugal

LKS1992

 

GRS80

Greenwich

 

Latvia

Loma Quintana

 

intl

Greenwich

 

Venezuela - north

Lome

 

clrk80IGN

Greenwich

 

Togo

Luzon 1911

 

clrk66

Greenwich

 

Philippines

Macau

 

intl

Greenwich

 

Macau

Mahe 1971

 

clrk80RGS

Greenwich

 

Mahe Island

Makassar

 

bessel

Jakarta

106.807719

Indonesia - south west Sulawesi

Malongo 1987

 

intl

Greenwich

 

Angola - Cabinda

Manoca

 

clrk80RGS

Greenwich

 

Cameroon

Marco Astro

 

intl

Greenwich

 

Salvage Islands

Massawa

 

bessel

Greenwich

 

Eritrea (Ethiopia)

Melrica 1973 (D73)

 

intl

Greenwich

 

Portugal

Merchich

 

clrk80IGN

Greenwich

 

Morocco

Mhast

 

intl

Greenwich

 

Angola - Cabinda

Midway Astro 1961

 

intl

Greenwich

 

Midway Island

Militar-Geographische Institut

MGI

bessel

Ferro

-17.666667

Austria

Minna

 

clrk80RGS

Greenwich

 

Cameroon, Nigeria

Monte Mario

 

intl

Rome

12.452333

Italy

Montserrat Island Astro 1958

 

clrk80

Greenwich

 

Montserrat (Leeward Islands)

M'poraloko

 

clrk80IGN

Greenwich

 

Gabon

NAD Michigan

 

clrk66mi

Greenwich

 

Michigan

Nahrwan 1967

 

clrk80RGS

Greenwich

 

Oman, United Arab Emirates, Saudi Arabia

Naparima 1972

 

intl

Greenwich

 

Trinidad and Tobago

National Geodetic Network

NGN

WGS84

Greenwich

 

Kuwait

Netherlands

 

bessel

Greenwich

 

Netherlands

New Zealand Geodetic Datum 1949

GD49

intl

Greenwich

 

New Zealand

NGO 1948

 

bess_mod

Greenwich

 

Norway

Nord de Guerre

NDG

plessis

Paris

2.337229

France - Alsace

Nord Sahara 1959

 

clrk80IGN

Greenwich

 

Algeria, Morocco, Tunisia

North American Datum 1927

NAD27

clrk66

Greenwich

 

North America, Central America, Caribbean

North American Datum 1983

NAD83

GRS80

Greenwich

 

North America, Central America

Nouvelle Triangulation Francaise

NTF

clrk80IGN

Paris

2.337229

France

NSWC 9Z-2

 

WGS66

Greenwich

 

World

NWGL 10

 

WGS72

Greenwich

 

 

Observatorio 1966

 

intl

Greenwich

 

Corvo and Flores Islands (Azores)

Old Bavarian

 

bessel

Greenwich

 

Germany

Old Hawaiian

 

clrk66

Greenwich

 

Hawaii

Oman

 

clrk80

Greenwich

 

Oman

Ordnance Survey of Great Britain 1936

OSGB36

airy

Greenwich

 

England, Isle of ManScotland, Shetlands Islands, Wales

Ordnance Survey of Great Britain 1970 (SN)

OSGB70

airy

Greenwich

 

United Kingdom - Great Britain

OS (SN) 1980

OS(SN)80

airy

Greenwich

 

United Kingdom - Great Britain

Oslo

 

NGO1948

Greenwich

 

Norway

Padang 1884

Padang

bessel

Jakarta

106.807719

Indonesia - Sumatra

Palestine 1923

 

clrk80ben

Greenwich

 

Jordan, Lebanon

Pico de las Nieves

 

intl

Greenwich

 

Canary Islands

Pitcairn Astro 1967

 

intl

Greenwich

 

Pitcairn Island

Point 58

 

clrk80

Greenwich

 

Burkina Faso & Niger

Pointe Noire 1948

 

clrk80IGN

Greenwich

 

Congo

Porto Santo 1936

 

intl

Greenwich

 

Porto Santo, Madeira Islands

Potsdam

 

bessel

Greenwich

 

Austria, West Germany, Slovenia, Yugoslavia

Provisional South American Datum 1956

PSAD56

intl

Greenwich

 

Bolivia, Chile, Colombia, Ecuador, Guyana, Peru, Venezuela

Puerto Rico

 

intl

Greenwich

 

Puerto Rico and Virgin Islands

Pulkovo 1942

 

krass

Greenwich

 

Eastern Europe, China, Former Soviet Union, Laos, North Korea, Mongolia

Pulkovo 1995

 

krass

Greenwich

 

Russia

Qatar

 

intl

Greenwich

 

Qatar

Qatar 1948

 

helmert

Greenwich

 

Qatar

Qornoq

 

intl

Greenwich

 

South Greenland

Rauenberg

 

bessel

Greenwich

 

Germany

Reseau National Belge 1950

Belge 1950

intl

Brussels

4.367975

Belgium

Reseau National Belge 1972

Belge 1972

intl

Greenwich

 

Belgium

Reunion

 

intl

Greenwich

 

Mascarene Island

Riga

 

bessel

Greenwich

 

 

Rikets Triangulering 1990

 

bessel

Greenwich

 

 

Rome 1940

 

intl

Greenwich

 

Sardinia Island

RT1990

 

bessel

Greenwich

 

Sweden

S-JTSK

 

bessel

Greenwich

 

Czech, Slovakia

Santo (DOS) 1965

 

intl

Greenwich

 

Esprito Santo Island

Sao Braz

 

intl

Greenwich

 

Sao Miguel,Santa Maria Islands (Azores)

Sapper Hill 1943

 

intl

Greenwich

 

East Falkland Island

Schwarzeck

 

bess_nam

Greenwich

 

Namibia

Segora

 

bessel

Greenwich

 

Indonesia - southeast Kalimantan

Selvagem Grande

 

intl

Greenwich

 

Salvage Island

Serindung

 

bessel

Greenwich

 

Indonesia - east Kalimantan

Sierra Leone 1960

 

clrk80RGS

Greenwich

 

Sierra Leone

South American Datum 1969

SAD69

GRS67

Greenwich

 

Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Venezuela, Trindad, and Tobago

South Asia

 

fschr60m

Greenwich

 

Singapore

Southeast Base

 

intl

Greenwich

 

Porto Santo and Madeira Islands

Southwest Base

 

intl

Greenwich

 

Faial,Graciosa,Pico,Sao Jorge,Terceira Islands (Azores)

Soviet Geodetic System 1985

SGS85

SGS85

Greenwich

 

Former Soviet Union

Soviet Geodetic System 1990

SGS90

SGS85

Greenwich

 

Former Soviet Union

Stockholm 1938

RT38

bessel

Greenwich

 

Sweden

Sudan

 

clrk80IGN

Greenwich

 

Sudan - south

Swallow Islands

 

intl

Greenwich

 

 

System 1932

 

bessel

Greenwich

 

 

System 1942

 

krass

Greenwich

 

 

Tananarive Observatory 19 25

Tananarive

intl

Paris

2.337229

Malagasy Republic

Timbalai 1948

 

evrstSS

Greenwich

 

Brunei and East Malaysia (Sarawak and Sabah)

TM65

 

mod_airy

Greenwich

 

Ireland, United Kingdom - Ulster

TM75

 

mod_airy

Greenwich

 

Ireland, United Kingdom - Ulster

Tokyo

 

bessel

Greenwich

 

Japan, South Korea, Okinawa

Trinidad 1903

 

clrk58

Greenwich

 

Trinidad

Tristan Astro 1968

 

intl

Greenwich

 

Tristan da Cunha

Trucial Coast 1948

TC(1948)

helmert

Greenwich

 

United Arab Emirates

Viti Levu 1916

 

clrk80

Greenwich

 

Viti Levu Island (Fiji Islands)

Voirol 1875

 

clrk80IGN

Paris

2.337229

Algeria, Tunisia

Voirol Unifie 1960

Voirol Unifi

clrk80IGN

Paris

2.337229

Algeria - north of 32deg N

Wake Island Astro 1952

 

intl

Greenwich

 

Wake atoll

Wake-Eniwetok 1960

 

hough

Greenwich

 

Marshall Islands

WGS 72 Transit Broadcast Ephemeris

WGS 72BE

WGS72

Greenwich

 

Worldwide

World Geodetic System 1960

 

WGS60

Greenwich

 

Worldwide

World Geodetic System 1966

 

WGS66

Greenwich

 

Worldwide

World Geodetic System 1972

 

WGS72

Greenwich

 

Worldwide

World Geodetic System 1984

 

WGS84

Greenwich

 

Worldwide

Yacare

 

intl

Greenwich

 

Uruguay

Xian 1980

 

IAG75

Greenwich

 

China

Yoff

 

clrk80IGN

Greenwich

 

Senegal

Zanderij

 

intl

Greenwich

 

Surinam

 

 

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