Map Datum Unknown datum based upon the Average Terrestrial System 1977 ellipsoid

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Map Datum Unknown datum based upon the Average Terrestrial System 1977 ellipsoid



Datum Transformation Parameters Unknown datum based upon the Average Terrestrial System 1977 ellipsoid (to WGS84 datum)

Parameter Value
EPSG # 4041
Map Datum Name Unknown datum based upon the Average Terrestrial System 1977 ellipsoid
Ellipsoid Name Average Terrestrial System 1977
Conversion None

Ellipsoid Parameters ( Average Terrestrial System 1977 Ellipsoid )

Parameter Value
Semi Major Axis 6378135
Inverse Flatenning 298.257




Coordinate Conversion Software


Eye4Software Coordinate Calculator

Using the Eye4Software Coordinate Calculator, you can convert coordinates from one map datum to another easily, using the user friendly user interface. This software is shipped with a database containing allmost any map datum, reference ellipsoid and map grid around.

For more information, please have a look at the Eye4Software Coordinate Calculator product page.


Eye4Software GPS Toolkit

Using the Eye4Software GPS Toolkit which is a GPS SDK (Software Developer Kit), you will be able to add coordinate conversions to your own software, scripts or webpages in the blink of an eye. The SDK can be used with various programming environments including: Visual Basic, Visual C++, Visual Basic .NET, Visual C# .NET, VB Script, Borland Delphi, Borland C++ Builder, VBA (Access and Excel) and more.

For more information please have a look at the Eye4Software GPS Toolkit product page.


Datum Transformation Code Samples

Perform a map datum transformation using Visual C++...
Perform a map datum transformation using Visual Basic...
Perform a map datum transformation using Visual C# .NET...
Perform a map datum transformation using Visual Basic .NET...
Perform a map datum transformation using Delphi...
Perform a map datum transformation using VBScript...