Declaration
The map information provided by this website is synthetically processed. The accuracy could only be used for reference but not for works. Cartography and Cadastre Bureau have no juridical responsibility for any consequences on using such information. For the information applicable for engineering design and construction, please apply it from Cartography and Cadastre Bureau.
Geodetic Control Points
Macao Grid System Parameter
Reference Ellipsoid International Hayford
a (Major semi-axis) =6378388.0m
f (Flattening)=1/297.0
Projection Transverse Mercator Projection
False Easting 20,000.00m
False Northing 20,000.00m
Latitude of Origin 22°12′44.63″ N
Longitude of Origin 113°32′11.29″ E
Scale factor 1
Level datum Mean Sea Level
 
ITRF2005
Reference Ellipsoid a (Major semi-axis) = 6378137.0m
f (Flattening)= 1/298.257222101
 

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