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[Index]

Datum to datum, Longitude/Latitude <-> Longitude/Latitude

Example on how to convert a position between different datums. WGS84 to OSGB36 used as example here.

1. Make sure Longitude/Latitude is selected in the upper left corner.

Select the datum to convert from by clicking . In this example, WGS84 is the source coordinate system, so we'll have to browse to the region in which WGS84 is available. Browse to "The Earth" -> and select WGS84. Finally, click ok.
2. Make sure Longitude/Latitude is selected in the upper right corner.

Next select the datum to convert to by clicking in the right pane. Again, you will need to browse to the appropriate region and select the grid. OSGB36 is available in the United Kingdom, which you can locate by clicking "The Earth -> Europe -> United Kingdom".
3. Enter a coordinate to convert from WGS84 to OSGB36. You can enter the coordinate in either Degrees/Minutes/Seconds (DMS), Degrees/Minutes (DM) or Decimal Degrees by clicking the appropriate radio button under the coordinate. You can also click on either the left-most map or the middle map to receive a coordinate, or click on "Get From GPS" to get a coordinate from GpsGate.
5. Finally, click the right-arrow button or click F12! To convert from OSGB36 to WGS84, just click the left-arrow button or F11.

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