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Geodetic Reference Systems PT Geodetic Reference System
graphic11.01.2012
Geodetic Reference Systems Portugal
  • Triangulação de Local de Lisboa;
  • Bessel-Bonne Datum Lisboa;
  • Hayford-Gauss Datum Lisboa;
  • Hayford-Gauss Datum 73;
  • ED50 - Datum Europeu 1950;
  • PT-TM06/ETRS89.
Name Geodetic Reference System
Name (Init.):
Ellipsoid:
Central Point:
ED50 in PT Geodetic Reference System
related information
CRS Relationships PT Geodetic Reference System
graphic11.01.2012
CRS Relationships Portugal
Country 
Name 
Central Point 
Spheroid 
Parameters 
Description 
Source 
 
 
 
 
dx [m] 
dy [m] 
dz [m] 
rx ["] 
ry ["] 
rz ["] 
ds [ppm] 
 
 
National 
 
Portugal 
 
Lisboa 
Bessel 1841 
504.1
- 202.9
563.0
 
 
 
 
 
 
Portugal 
 
Madeira, Porto Santo 
Hayford 1924 
 
 
 
 
 
 
 
 
 
Portugal 
 
Observatory Flores 
Hayford 1924 
 
 
 
 
 
 
 
 
 
Portugal (Azores - western Grp) 
Base SW (Graciosa) 
Lisboa 
Hayford 1924 
 
 
 
 
 
 
 
 
 
Portugal (Azores - central Grp) 
 
Base SW (Graciosa) 
Hayford 1924 
 
 
 
 
 
 
 
 
 
Portugal (Azores - eastern Grp) 
 
S.Braz (S.Miguel) 
Hayford 1924 
 
 
 
 
 
 
 
 
 
Regional