Atlantic Ocean Datums Table



Local Geodetic Datums Reference Ellipsoids and Parameter Differences

No. of Satellite Stations Used

     Transformation Parameters
 Name
 Code
 Name DA(M) Df x 104   Cycle No. Pub Date  DX(m)  DY(m)  DZ(m)

DECEPTION ISLAND

Antarctica, Deception Island

DID Clarke 1880 -112.145 -0.54750714 3 0 1993 260
+/-20
12
+/-20
-147
+/-20

CAMP AREA ASTRO

Camp McMurdo Area, Antarctica See Note 1

CAZ International 1924 -251 -0.14192702   0 1987 -104
-129
239

ANTIGUA ISLAND ASTRO 1943

Antigua, Leeward Islands

AIA Clarke 1880 -112.145 -0.54750714 1 0 1991 -270
+/-25
13
+/-25
62
+/-25

ASCENSION ISLAND 1958

Ascension Island

ASC International 1924 -251 -0.14192702 2 0 1991 -205
+/-25
107
+/-25
53
+/-25

BERMUDA 1957

Bermuda Islands

BER Clarke 1866  -69.4 -0.37264639  3 0 1987 - 73 +/-20 213
+/-20
296
+/-20

PICO DE LAS NIEVES

Canary Islands

PLN International 1924 -251 -0.14192702 1 0 1987 -307
+/-25
-92
+/-25
127
+/-25

L.C. 5 ASTRO 1961

Cayman Brac Island

LCF Clarke 1866 -69.4 -0.37264639 1 0 1987 42
+/-25
124
+/-25
147
+/-25

OBSERVATORIO METEOROLOGICO 1939

Corvo and Flores Islands (Azores)

FLO International 1924 -251 -0.14192702 3 0 1991 -425
+/-20
-169
+/-20
81
+/-20

DECEPTION ISLAND

Deception Island, Antarctica

DID Clarke 1880 -112.145 -0.54750714 3 0 1993 260
+/-20

12
+/-20

-147
+/-20

SAPPER HILL 1943

East Falkland Island

SAP International 1924 -251 -0.14192702 5 0 1991 -355
+/-1
21
+/-1
72
+/-1

GRACIOSA BASE SW 1948

Faial, Graciosa, Pico, Sao Jorge, and Tercira Islands (Azores)

GRA International 1924 -251 -0.14192702 5 0 1991 -104
+/-3
167
+/-3
-38
+/-3

OBSERVATORIO METEOROLOGICO 1939

Flores and Corvo Islands (Azores)

FLO International 1924 -251 -0.14192702 3 0 1991 -425
+/-20
-169
+/-20
81
+/-20

GRACIOSA BASE SW 1948

Graciosa, Pico, Sao Jorge, Tercira and Faial Islands (Azores)

GRA International 1924 -251 -0.14192702 5 0 1991 -104
+/-3
167
+/-3
-38
+/-3

ISTS 061 ASTRO 1968

South Georgia Island

ISG International 1924 -251 -0.14192702 1 0 1991 -794
+/-25
119
+/-25
-298
+/-25

QORNOQ

South Greenland

QUO International 1924 -251 -0.14192702 2 0 1987 164
+/-25
138
+/-25
-189
+/-32

HJORSEY 1955

Iceland

HJO International 1924 -251 0.14192702 6 0 1987 -73
+/-3
46
+/-3
-86
+/-6

ANTIGUA ISLAND ASTRO 1943

Leeward, Antigua Islands

AIA Clarke 1880 -112.145 -0.54750714 1 0 1991 -270
+/-25
13
+/-25
62
+/-25

FORT THOMAS 1955

Leeward,Nevis, St. Kitts, Island

FOT Clarke 1880 -112.145 -0.54750714 2 0 1991 -7
+/-25
215
+/-25
225
+/-25

MONTSERRAT ISLAND ASTRO 1958

Leeward, Montserrat Islands

ASM Clarke 1880 -112.145 -0.54750714 1 0 1991 174
+/-25
359
+/-25
365
+/-25

PORTO SANTO 1936

Madeira Islands and Porto Santo

POS International 1924 -251 -0.14192702 2 0 1991 -499
+/-25
-249
+/-25
314
+/-25

FORT THOMAS 1955

Nevis, St. Kitts,Leeward Island

FOT Clarke 1880 -112.145 -0.54750714 2 0 1991 -7
+/-25
215
+/-25
225
+/-25

GRACIOSA BASE SW 1948

Pico, Sao Jorge, Tercira and Faial, Graciosa Islands (Azores)

GRA International 1924 -251 -0.14192702 5 0 1991 -104
+/-3
167
+/-3
-38
+/-3

PORTO SANTO 1936

Porto Santo and Madeira Isalnds

POS International 1924 -251 -0.14192702 2 0 1991 -499
+/-25
-249
+/-25
314
+/-25

PUERTO RICO

Puerto Rico and Virgin Islands

PUR Clarke 1866 -69.4 -0.37264639 11 0 1987 11
+/-3
72

+/-3
-101
+/-3

SELVAGEM GRANDE 1938

Salvage Islands

SGM International 1924 -251 -0.14192702 1 0 1991 -289
+/-25
-124
+/-25
60
+/-25

GRACIOSA BASE SW 1948

Sao Jorge, Tercira, Faial, Graciosaand Pico Islands (Azores)

GRA International 1924 -251 -0.14192702 5 0 1991 -104
+/-3
167
+/-3
-38
+/-3

SAO BRAZ

Sao Miguel, Santa Maria Islands (Azores)

SAO International 1924 -251 -0.14192702 2 0 1987 -203
+/-25
141
+/-25
53
+/-25

ASTRO DOS 71/4

St. Helena Island

SHB Internatonal 1924 -251 -0.14192702 1 0 1987 -320
+/-25
550
+/-25
-494
+/-25

FORT THOMAS 1955

St. Kitts, Leeward, Nevis Island

FOT Clarke 1880 -112.145 -0.54750714 2 0 1991 -7
+/-25
215
+/-25
225
+/-25

GRACIOSA BASE SW 1948

Tercira, Faial, Graciosaand Pico, Sao Jorge Islands (Azores)

GRA International 1924 -251 -0.14192702 5 0 1991 -104
+/-3
167
+/-3
-38
+/-3

NAPARIMA, BWI

Trinidad and Tobago

NAP International 1924 -251 -0.14192702 4 0 1991 -10
+/-15
375
+/-15
165
+/-15

TRISTAN ASTRO 1968

Tristan da Cunha

TDC International 1924 -251 -0.14192702 1 0 1987 -632
+/-25
438
+/-25
-609
+/-25

PUERTO RICO

Virgin and Puerto Rico Islands

PUR Clarke 1866 -69.4 -0.37264639 11 0 1987 11
+/-3
72
+/-3
-101

+/-3


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