Across
- 2. Measurement by triangles
- 4. Line-based GIS data
- 6. Orbiting Earth object
- 12. Elevation color map
- 15. Known elevation point
- 17. Distance-based positioning
- 20. Coordinate reference base
- 21. Sea navigation chart
- 23. Gravity-based Earth model
- 24. Navigation reference point
- 25. Direction of travel
Down
- 1. Land measurement
- 3. Satellite navigation system
- 5. Pixel-based GIS data
- 7. Earth shape model
- 8. Planned travel path
- 9. Intended direction
- 10. Recorded travel path
- 11. Natural features map
- 13. Boundaries-focused map
- 14. Air navigation chart
- 16. Transportation map
- 18. GIS data level
- 19. Geographic information system
- 22. Data from distance