This shows the list of geodetic datums included in the EPSG data base. It also allows the editing, deletion and creation of new user geodetic datums.

Each line of the list gathers the geodetic datum name and code separated by two points.

 

The drop down list of the section Data Source allows EPSG data consultation to be switched to user data and vice versa.

 

 

The Search By section allows the filtering of consultation data by Code, Name and Area. This latter option is only available for EPSG data. The zone name (continent, country etc) must be specified in English. The string to be searched must be entered in the box on the right and the  button pressed. If searching by code, this will only show the result if this same code can be found on the data base, whilst in the search by name and area, this will show all the geodetic datums whose name or area contains the string entered.

 

By double clicking a geodetic datum on the list its properties are displayed,   Ellipsoid, Prime Meridian, Area of Use, Revision Date and Remarks.

 

 

It allows the creation of new user geodetic datums. The data requested are:

 

 

Code: An alphanumeric string of up to 16 characters is allowed.

Name: An alphanumeric string of up to 64 characters is allowed.

Ellipsoid: It must be selected from the list shown by pressing the  button.

Prime Meridian: One must be selected from the drop down list.