Datums

Luzon

Philipines

(Excluding Mindanao)

Luzon

Philipines (Mindanao)

Mahe 1971

Mahe Island

Massawa

Ethiopia (Eritrea)

Merchich

Morocco

Midway Astro 1961

Midway Islands

Minna

Cameroon

Minna

Nigeria

Montserrat Island Astro 1958

Montserrat

(Leeward Islands)

M’Poraloko

Gabon

Nahrwan

Oman (Masirah Island)

Nahrwan

Saudi Arabia

Nahrwan

United Arab Emirates

Naparima BWI

Trinidad & Tobago

North American 1927

Mean for Antigua, Barbados, Barbuda, Caicos Islands, Cuba, Dominican Republic, Grand Cayman, Jamaica,

Turks Islands

North American 1927

Mean for Belize, Costa Rica,

El Salvador, Guatmala, Honduras, Nicaragua

North American 1927

Mean for Canada

North American 1927 Mean for CONUS (Continental United States)

North American 1927 Mean for CONUS (East of Mississippi River) including Louisiana, Missouri, Minnesota

North American 1927 Mean for CONUS

(West of Mississippi River)

North American 1927	Ordinance Survey
Alaska	Great Britain 1936 - Mean for
	England, Isle of Man, Scotland,
North American 1927	Shetland Islands, Wales
Bahamas
(Except San Salvador Island)	Ordinance Survey
	Great Britian 1936 - England
North American 1927
Bahamas (San Salvador Island)	Ordinance Survey
	Great Britian 1936 - England,
North American 1927	Isle of Man, Wales
Canada (Alberta, British Columbia)
	Ordinance Survey
North American 1927	Great Britian 1936 - Scotland,
Canada (Manitoba, Ontario)	Shetland Islands
North American 1927	Ordinance Survey
Canada (New Brunswick,	Great Britian 1936 - Wales
Newfoundland, Nova Scotia,
Quebec)	Pico de las Nieves
	Canary Islands
North American 1927
Canada (Northwest Territories,	Pitcairn astro 1967
Saskatchewan)	Pitcairn Island
North American 1927	Point 58
Canada (Yukon)
	Sweden
North American 1927
Canal Zone	Santo (DOS)
	1965 Espirito Santo Island
North American 1927
Cuba	Sao Braz
	Azores (Sao Miguel,
North American 1927	Santa Maria Islands)
Greenland (Hayes Peninsula)
	Sapper Hill 1943
North American 1927	East Falkland Island
Mexico
	Schwarzeck
North American 1983	Nambia
Alaska, Canada, CONUS
	Selvagem Grande
North American 1983	Salvage Islands
Central America, Mexico
	SGS 85
Observaorio Metereo 1939	Soviet Geodetic System 1985
Azores (Corvo & Flores Islands)
	South American 1969
Old Egyptian 1907	Mean for Argentina, Bolivia,
Egypt	Brazil, Chile, Colombia, Ecuador,
	Guyana, Paraguay, Peru,
Old Hawaiian	Trinidad & Tobago, Venezuela
Mean for Hawaii, Kauai,
Maui, Oahu	South American 1969
	Argentina
Old Hawaiian
Hawaii	South American 1969
	Bolivia
Old Hawaiian
Kauai	South American 1969
	Brazil
Old Hawaiian
Maui	South American 1969
	Chile
Old Hawaiian
Oahu	South American 1969
	Colombia
Oman
Oman	South American 1969
	Ecuador