g27

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