Old School vs. New School

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Across
  1. 5. Drone‑based mapping product stitched from many images
  2. 6. Modern surveying device that collects millions of 3D points
  3. 9. New‑school device used to fly automated survey missions
  4. 10. New‑school tool for real‑time positioning using satellite corrections (abbr.)
  5. 12. Old‑school tool for measuring vertical angles using a weighted string
  6. 14. Early tool for locating north before gyro compasses
  7. 17. Software environment where survey data is processed and adjusted
  8. 18. New‑school optical device combining distance measurement and angle readout
Down
  1. 1. Cloud of measured points representing scanned surfaces
  2. 2. Technique using overlapping photos to derive 3D models
  3. 3. Map grid system widely used for large‑scale coordinate work (abbr.)
  4. 4. Classic method of determining position using triangles
  5. 7. Wooden stake driven into the ground as a temporary control
  6. 8. Old‑school distance measuring device made of 100 links
  7. 11. Classic angle‑measuring instrument with a telescope
  8. 13. Old‑school metal rod used to mark a boundary point
  9. 15. Early map‑drawing board used before modern instruments
  10. 16. Modern satellite‑based navigation system (abbr.)