Friday, October 11, 2019

How to select approprate Datum and Ellipsoid

Datum
 Region of use
 Ellipsoid
 delta in meters to WGS84 dX
 dY
 dZ
Adindan
 Burkina Faso
 Clarke 1880
 -118
 -14
 218
Adindan
 Cameroon
 Clarke 1880
 -134
 -2
 210
Adindan
 Ethiopia
 Clarke 1880
 -165
 -11
 206
Adindan
 Mali
 Clarke 1880
 -123
 -20
 220
Adindan
 MEAN FOR Ethiopia Sudan
 Clarke 1880
 -166
 -15
 204
Adindan
 Senegal
 Clarke 1880
 -128
 -18
 224
Adindan
 Sudan
 Clarke 1880
 -161
 -14
 205
Afgooye
 Somalia
 Krassovsky 1940
 -43
 -163
 45
Ain el Abd 1970
 Bahrain
 International 1924
 -150
 -250
 -1
Ain el Abd 1970
 Saudi Arabia
 International 1924
 -143
 -236
 7
American Samoa 1962
 American Samoa Islands
 Clarke 1866
 -115
 118
 426
Anna 1 Astro 1965
 Cocos Islands
 Australian National
 -491
 -22
 435
Antigua Island Astro 1943
 Antigua (Leeward Islands)
 Clarke 1880
 -270
 13
 62
Arc 1950
 Botswana
 Clarke 1880
 -138
 -105
 -289
Arc 1950
 Burundi
 Clarke 1880
 -153
 -5
 -292
Arc 1950
 Lesotho
 Clarke 1880
 -125
 -108
 -295
Arc 1950
 Malawi
 Clarke 1880
 -161
 -73
 -317
Arc 1950
 MEAN FOR Botswana Lesotho Malawi Swaziland Zaire Zambia Zimbabwe
 Clarke 1880
 -143
 -90
 -294
Arc 1950
 Swaziland
 Clarke 1880
 -134
 -105
 -295
Arc 1950
 Zaire
 Clarke 1880
 -169
 -19
 -278
Arc 1950
 Zambia
 Clarke 1880
 -147
 -74
 -283
Arc 1950
 Zimbabwe
 Clarke 1880
 -142
 -96
 -293
Arc 1960
 MEAN FOR Kenya Tanzania
 Clarke 1880
 -160
 -6
 -302
Arc 1960
 Kenya
 Clarke 1880
 -157
 -2
 -299
Arc 1960
 Taanzania
 Clarke 1880
 -175
 -23
 -303
Ascension Island 1958
 Ascension Island
 International 1924
 -205
 107
 53
Astro Beacon E 1945
 Iwo Jima
 International 1924
 145
 75
 -272
Astro DOS 71/4
 St Helena Island
 International 1924
 -320
 550
 -494
Astro Tern Island (FRIG) 1961
 Tern Island
 International 1924
 114
 -116
 -333
Astronomical Station 1952
 Marcus Island
 International 1924
 124
 -234
 -25
Australian Geodetic 1966
 Australia Tasmania
 Australian National
 -133
 -48
 148
Australian Geodetic 1984
 Australia Tasmania
 Australian National
 -134
 -48
 149
Ayabelle Lighthouse
 Djibouti
 Clarke 1880
 -79
 -129
 145
Bellevue (IGN)
 Efate & Erromango Islands
 International 1924
 -127
 -769
 472
Bermuda 1957
 Bermuda
 Clarke 1866
 -73
 213
 296
Bissau
 Guinea-Bissau
 International 1924
 -173
 253
 27
Bogota Observatory
 Colombia
 International 1924
 307
 304
 -318
Bukit Rimpah
 Indonesia (Bangka & Belitung Ids)
 Bessel 1841
 -384
 664
 -48
Camp Area Astro
 Antarctica (McMurdo Camp Area)
 International 1924
 -104
 -129
 239
Campo Inchauspe
 Argentina
 International 1924
 -148
 136
 90
Canton Astro 1966
 Phoenix Islands
 International 1924
 298
 -304
 -375
Cape
 South Africa
 Clarke 1880
 -136
 -108
 -292
Cape Canaveral
 Bahamas Florida
 Clarke 1866
 -2
 151
 181
Carthage
 Tunisia
 Clarke 1880
 -263
 6
 431
Chatham Island Astro 1971
 New Zealand (Chatham Island)
 International 1924
 175
 -38
 113
Chua Astro
 Paraguay
 International 1924
 -134
 229
 -29
Corrego Alegre
 Brazil
 International 1924
 -206
 172
 -6
Dabola
 Guinea
 Clarke 1880
 -83
 37
 124
Deception Island
 Deception Island Antarctia
 Clarke 1880
 260
 12
 -147
Djakarta (Batavia)
 Indonesia (Sumatra)
 Bessel 1841
 -377
 681
 -50
DOS 1968
 New Georgia Islands (Gizo Island)
 International 1924
 230
 -199
 -752
Easter Island 1967
 Easter Island
 International 1924
 211
 147
 111
Estonia Coordinate System 1937
 Estonia
 Bessel 1841
 374
 150
 588
European 1950
 Cyprus
 International 1924
 -104
 -101
 -140
European 1950
 Egypt
 International 1924
 -130
 -117
 -151
European 1950
 England Channel Islands Scotland Shetland Islands
 International 1924
 -86
 -96
 -120
European 1950
 England Ireland Scotland Shetland Islands
 International 1924
 -86
 -96
 -120
European 1950
 Finland Norway
 International 1924
 -87
 -95
 -120
European 1950
 Greece
 International 1924
 -84
 -95
 -130
European 1950
 Iran
 International 1924
 -117
 -132
 -164
European 1950
 Italy (Sardinia)
 International 1924
 -97
 -103
 -120
European 1950
 Italy (Sicily)
 International 1924
 -97
 -88
 -135
European 1950
 Malta
 International 1924
 -107
 -88
 -149
European 1950
 MEAN FOR Austria Belgium Denmark Finland France W Germany Gibraltar




European 1950
 MEAN FOR Austria Denmark France W Germany Netherlands Switzerland
 International 1924
 -87
 -96
 -120
European 1950
 MEAN FOR Iraq Israel Jordan Lebanon Kuwait Saudi Arabia Syria
 International 1924
 -103
 -106
 -141
European 1950
 Portugal Spain
 International 1924
 -84
 -107
 -120
European 1950
 Tunisia
 International 1924
 -112
 -77
 -145
European 1979
 MEAN FOR Austria Finland Netherlands Norway Spain Sweden Switzerland
 International 1924
 -86
 -98
 -119
Fort Thomas 1955
 Nevis St. Kitts (Leeward Islands)
 Clarke 1880
 -7
 215
 225
Gan 1970
 Republic of Maldives
 International 1924
 -133
 -321
 50
Geodetic Datum 1949
 New Zealand
 International 1924
 84
 -22
 209
Graciosa Base SW 1948
 Azores (Faial Graciosa Pico Sao Jorge Terceira)
 International 1924
 -104
 167
 -38
Guam 1963
 Guam
 Clarke 1866
 -100
 -248
 259
Gunung Segara
 Indonesia (Kalimantan)
 Bessel 1841
 -403
 684
 41
GUX 1 Astro
 Guadalcanal Island
 International 1924
 252
 -209
 -751
Herat North
 Afghanistan
 International 1924
 -333
 -222
 114
Hermannskogel Datum
 Croatia -Serbia Bosnia-Herzegovina
 Bessel 1841 (Namibia)
 653
 -212
 449
Hjorsey 1955
 Iceland
 International 1924
 -73
 46
 -86
Hong Kong 1963
 Hong Kong
 International 1924
 -156
 -271
 -189
Hu-Tzu-Shan
 Taiwan
 International 1924
 -637
 -549
 -203
Indian
 Bangladesh
 Everest (India 1830)
 282
 726
 254
Indian
 India Nepal
 Everest (India 1956)
 295
 736
 257
Indian
 Pakistan
 Everest (Pakistan)
 283
 682
 231
Indian 1954
 Thailand
 Everest (India 1830)
 217
 823
 299
Indian 1960
 Vietnam (Con Son Island)
 Everest (India 1830)
 182
 915
 344
Indian 1960
 Vietnam (Near 16øN)
 Everest (India 1830)
 198
 881
 317
Indian 1975
 Thailand
 Everest (India 1830)
 210
 814
 289
Indonesian 1974
 Indonesia
 Indonesian 1974
 -24
 -15
 5
Ireland 1965
 Ireland
 Modified Airy
 506
 -122
 611
ISTS 061 Astro 1968
 South Georgia Islands
 International 1924
 -794
 119
 -298
ISTS 073 Astro 1969
 Diego Garcia
 International 1924
 208
 -435
 -229
Johnston Island 1961
 Johnston Island
 International 1924
 189
 -79
 -202
Kandawala
 Sri Lanka
 Everest (India 1830)
 -97
 787
 86
Kerguelen Island 1949
 Kerguelen Island
 International 1924
 145
 -187
 103
Kertau 1948
 West Malaysia & Singapore
 Everest (Malay. & Sing)
 -11
 851
 5
Kusaie Astro 1951
 Caroline Islands
 International 1924
 647
 1777
 -1124
Korean Geodetic System
 South Korea
 GRS 80
 0
 0
 0
L. C. 5 Astro 1961
 Cayman Brac Island
 Clarke 1866
 42
 124
 147
Leigon
 Ghana
 Clarke 1880
 -130
 29
 364
Liberia 1964
 Liberia
 Clarke 1880
 -90
 40
 88
Luzon
 Philippines (Excluding Mindanao)
 Clarke 1866
 -133
 -77
 -51
Luzon
 Philippines (Mindanao)
 Clarke 1866
 -133
 -79
 -72
M'Poraloko
 Gabon
 Clarke 1880
 -74
 -130
 42
Mahe 1971
 Mahe Island
 Clarke 1880
 41
 -220
 -134
Massawa
 Ethiopia (Eritrea)
 Bessel 1841
 639
 405
 60
Merchich
 Morocco
 Clarke 1880
 31
 146
 47
Midway Astro 1961
 Midway Islands
 International 1924
 912
 -58
 1227
Minna
 Cameroon
 Clarke 1880
 -81
 -84
 115
Minna
 Nigeria
 Clarke 1880
 -92
 -93
 122
Montserrat Island Astro 1958
 Montserrat (Leeward Islands)
 Clarke 1880
 174
 359
 365
Nahrwan
 Oman (Masirah Island)
 Clarke 1880
 -247
 -148
 369
Nahrwan
 Saudi Arabia
 Clarke 1880
 -243
 -192
 477
Nahrwan
 United Arab Emirates
 Clarke 1880
 -249
 -156
 381
Naparima BWI
 Trinidad & Tobago
 International 1924
 -10
 375
 165
North American 1927
 Alaska (Excluding Aleutian Ids)
 Clarke 1866
 -5
 135
 172
North American 1927
 Alaska (Aleutian Ids East of 180øW)
 Clarke 1866
 -2
 152
 149
North American 1927
 Alaska (Aleutian Ids West of 180øW)
 Clarke 1866
 2
 204
 105
North American 1927
 Bahamas (Except San Salvador Id)
 Clarke 1866
 -4
 154
 178
North American 1927
 Bahamas (San Salvador Island)
 Clarke 1866
 1
 140
 165
North American 1927
 Canada (Alberta British Columbia)
 Clarke 1866
 -7
 162
 188
North American 1927
 Canada (Manitoba Ontario)
 Clarke 1866
 -9
 157
 184
North American 1927
 Canada (New Brunswick Newfoundland Nova Scotia Quebec)
 Clarke 1866
 -22
 160
 190
North American 1927
 Canada (Northwest Territories Saskatchewan)
 Clarke 1866
 4
 159
 188
North American 1927
 Canada (Yukon)
 Clarke 1866
 -7
 139
 181
North American 1927
 Canal Zone
 Clarke 1866
 0
 125
 201
North American 1927
 Cuba
 Clarke 1866
 -9
 152
 178
North American 1927
 Greenland (Hayes Peninsula)
 Clarke 1866
 11
 114
 195
North American 1927
 MEAN FOR Antigua Barbados Barbuda Caicos Islands Cuba Dominican Republic Grand Cayman




North American 1927
 MEAN FOR Belize Costa Rica El Salvador Guatemala Honduras Nicaragua
 Clarke 1866
 0
 125
 194
North American 1927
 MEAN FOR Canada
 Clarke 1866
 -10
 158
 187
North American 1927
 MEAN FOR CONUS
 Clarke 1866
 -8
 160
 176
North American 1927
 MEAN FOR CONUS (East of Mississippi River Including Louisiana Missouri Minnesota)
 Clarke 1866
 -9
 161
 179
North American 1927
 MEAN FOR CONUS (West of Mississippi River Excluding Louisiana Minnesota Missouri)
 Clarke 1866
 -8
 159
 175
North American 1927
 Mexico
 Clarke 1866
 -12
 130
 190
North American 1983
 Alaska (Excluding Aleutian Ids)
 GRS 80
 0
 0
 0
North American 1983
 Aleutian Ids
 GRS 80
 -2
 0
 4
North American 1983
 Canada
 GRS 80
 0
 0
 0
North American 1983
 CONUS
 GRS 80
 0
 0
 0
North American 1983
 Hawaii
 GRS 80
 1
 1
 -1
North American 1983
 Mexico Central America
 GRS 80
 0
 0
 0
North Sahara 1959
 Algeria
 Clarke 1880
 -186
 -93
 310
Observatorio Meteorologico 1939
 Azores (Corvo & Flores Islands)
 International 1924
 -425
 -169
 81
Old Egyptian 1907
 Egypt
 Helmert 1906
 -130
 110
 -13
Old Hawaiian
 Hawaii
 Clarke 1866
 89
 -279
 -183
Old Hawaiian
 Kauai
 Clarke 1866
 45
 -290
 -172
Old Hawaiian
 Maui
 Clarke 1866
 65
 -290
 -190
Old Hawaiian
 MEAN FOR Hawaii Kauai Maui Oahu
 Clarke 1866
 61
 -285
 -181
Old Hawaiian
 Oahu
 Clarke 1866
 58
 -283
 -182
Oman
 Oman
 Clarke 1880
 -346
 -1
 224
Ordnance Survey Great Britain 1936
 England
 Airy 1830
 371
 -112
 434
Ordnance Survey Great Britain 1936
 England Isle of Man Wales
 Airy 1830
 371
 -111
 434
Ordnance Survey Great Britain 1936
 MEAN FOR England Isle of Man Scotland Shetland Islands Wales
 Airy 1830
 375
 -111
 431
Ordnance Survey Great Britain 1936
 Scotland Shetland Islands
 Airy 1830
 384
 -111
 425
Ordnance Survey Great Britain 1936
 Wales
 Airy 1830
 370
 -108
 434
Pico de las Nieves
 Canary Islands
 International 1924
 -307
 -92
 127
Pitcairn Astro 1967
 Pitcairn Island
 International 1924
 185
 165
 42
Point 58
 MEAN FOR Burkina Faso & Niger
 Clarke 1880
 -106
 -129
 165
Pointe Noire 1948
 Congo
 Clarke 1880
 -148
 51
 -291
Porto Santo 1936
 Porto Santo Madeira Islands
 International 1924
 -499
 -249
 314
Provisional South American 1956
 Bolivia
 International 1924
 -270
 188
 -388
Provisional South American 1956
 Chile (Northern Near 19øS)
 International 1924
 -270
 183
 -390
Provisional South American 1956
 Chile (Southern Near 43øS)
 International 1924
 -305
 243
 -442
Provisional South American 1956
 Colombia
 International 1924
 -282
 169
 -371
Provisional South American 1956
 Ecuador
 International 1924
 -278
 171
 -367
Provisional South American 1956
 Guyana
 International 1924
 -298
 159
 -369
Provisional South American 1956
 MEAN FOR Bolivia Chile Colombia Ecuador Guyana Peru Venezuela
 International 1924
 -288
 175
 -376
Provisional South American 1956
 Peru
 International 1924
 -279
 175
 -379
Provisional South American 1956
 Venezuela
 International 1924
 -295
 173
 -371
Provisional South Chilean 1963
 Chile (Near 53øS) (Hito XVIII)
 International 1924
 16
 196
 93
Puerto Rico
 Puerto Rico Virgin Islands
 Clarke 1866
 11
 72
 -101
Pulkovo 1942
 Russia
 Krassovsky 1940
 28
 -130
 -95
Qatar National
 Qatar
 International 1924
 -128
 -283
 22
Qornoq
 Greenland (South)
 International 1924
 164
 138
 -189
Reunion
 Mascarene Islands
 International 1924
 94
 -948
 -1262
Rome 1940
 Italy (Sardinia)
 International 1924
 -225
 -65
 9
S-42 (Pulkovo 1942)
 Hungary
 Krassovsky 1940
 28
 -121
 -77
S-42 (Pulkovo 1942)
 Poland
 Krassovsky 1940
 23
 -124
 -82
S-42 (Pulkovo 1942)
 Czechoslovakia
 Krassovsky 1940
 26
 -121
 -78
S-42 (Pulkovo 1942)
 Latvia
 Krassovsky 1940
 24
 -124
 -82
S-42 (Pulkovo 1942)
 Kazakhstan
 Krassovsky 1940
 15
 -130
 -84
S-42 (Pulkovo 1942)
 Albania
 Krassovsky 1940
 24
 -130
 -92
S-42 (Pulkovo 1942)
 Romania
 Krassovsky 1940
 28
 -121
 -77
S-JTSK
 Czechoslavakia (Prior 1 JAN 1993)
 Bessel 1841
 589
 76
 480
Santo (DOS) 1965
 Espirito Santo Island
 International 1924
 170
 42
 84
Sao Braz
 Azores (Sao Miguel Santa Maria Ids)
 International 1924
 -203
 141
 53
Sapper Hill 1943
 East Falkland Island
 International 1924
 -355
 21
 72
Schwarzeck
 Namibia
 Bessel 1841 (Namibia)
 616
 97
 -251
Selvagem Grande 1938
 Salvage Islands
 International 1924
 -289
 -124
 60
Sierra Leone 1960
 Sierra Leone
 Clarke 1880
 -88
 4
 101
South American 1969
 Argentina
 South American 1969
 -62
 -1
 -37
South American 1969
 Bolivia
 South American 1969
 -61
 2
 -48
South American 1969
 Brazil
 South American 1969
 -60
 -2
 -41
South American 1969
 Chile
 South American 1969
 -75
 -1
 -44
South American 1969
 Colombia
 South American 1969
 -44
 6
 -36
South American 1969
 Ecuador
 South American 1969
 -48
 3
 -44
South American 1969
 Ecuador (Baltra Galapagos)
 South American 1969
 -47
 26
 -42
South American 1969
 Guyana
 South American 1969
 -53
 3
 -47
South American 1969
 MEAN FOR Argentina Bolivia Brazil Chile Colombia Ecuador Guyana




South American 1969
 Paraguay
 South American 1969
 -61
 2
 -33
South American 1969
 Peru
 South American 1969
 -58
 0
 -44
South American 1969
 Trinidad & Tobago
 South American 1969
 -45
 12
 -33
South American 1969
 Venezuela
 South American 1969
 -45
 8
 -33
South Asia
 Singapore
 Modified Fischer 1960
 7
 -10
 -26
Tananarive Observatory 1925
 Madagascar
 International 1924
 -189
 -242
 -91
Timbalai 1948
 Brunei E. Malaysia (Sabah Sarawak)
 Everest (Sabah Sarawak)
 -679
 669
 -48
Tokyo
 Japan
 Bessel 1841
 -148
 507
 685
Tokyo
 MEAN FOR Japan South Korea Okinawa
 Bessel 1841
 -148
 507
 685
Tokyo
 Okinawa
 Bessel 1841
 -158
 507
 676
Tokyo
 South Korea
 Bessel 1841
 -147
 506
 687
Tristan Astro 1968
 Tristan da Cunha
 International 1924
 -632
 438
 -609
Viti Levu 1916
 Fiji (Viti Levu Island)
 Clarke 1880
 51
 391
 -36
Voirol 1960
 Algeria
 Clarke 1880
 -123
 -206
 219
Wake Island Astro 1952
 Wake Atoll
 International 1924
 276
 -57
 149
Wake-Eniwetok 1960
 Marshall Islands
 Hough 1960
 102
 52
 -38
WGS 1972
 Global Definition
 WGS 72
 0
 0
 0
WGS 1984
 Global Definition
 WGS 84
 0
 0
 0
Yacare
 Uruguay
 International 1924
 -155
 171
 37
Zanderij
 Suriname
 International 1924
 -265
 120
 -358
GDA94
 Australia
 GRS 80
 0
 0
 0






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