| 59 | | The `APPROX POSITION XYZ` is the precise ETRS89 location (see COMMENT sections to confirm this it says it's precise). This needs to be converted to a WGS-84 lat/long |
| | 59 | The `APPROX POSITION XYZ` is the precise ETRS89 X,Y,Z location (see COMMENT sections to confirm this it says it's precise). This must be converted to a WGS-84 lat/long: |
| | 60 | 1. Go to http://gps.ordnancesurvey.co.uk/etrs89geo_natgrid.asp |
| | 61 | 1. Click the pretty pink 'ETRS89 xyz' button |
| | 62 | 1. Enter the coordinates from the `APPROX POSITION` field in the .07o file |
| | 63 | 1. Convert to National Grid |
| | 64 | 1. In POSGPS, enter these grid coordinates (using Grid: British Grid) |