ACTeQ Puzzle 2025 01

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Across
  1. 2. Combining OBN, Streamer, Land and Borehole (6)
  2. 4. Survey’s spatial design (8)
  3. 5. Multiplicity of coverage (4)
  4. 6. Direction off the line (9)
  5. 8. Source–receiver spacing (6)
  6. 10. Marine cannon of compressed bubbles (6)
  7. 13. Shaker signal glide (5)
  8. 14. Terra ear (8)
  9. 18. Seismic Shake Maker (8)
  10. 21. Origin of seismic energy (6)
  11. 22. Seismic CDP collector (3)
  12. 23. Extent of Seismic Array (6)
  13. 24. Band of seismic lines (5)
  14. 28. Set from a single shot, capture and store data (6)
  15. 29. Single seismic 2D slice (7)
  16. 31. Traces added up (5)
  17. 33. Independent recording unit (4)
  18. 34. Linear sensor connector (5)
  19. 36. ACTeQ founder (7)
  20. 38. Independent survey design company (5)
  21. 39. Distance below surface (5)
  22. 40. Spacing between points (8)
Down
  1. 1. Extent of data collected (8)
  2. 3. Direction along the line (6)
  3. 7. Seismic vessel follower (8)
  4. 9. Marked spot for a blast (9)
  5. 11. Signal receptor (8)
  6. 12. Weighted Path Optimization (3)
  7. 15. Active reception area (5)
  8. 16. Ring-shaped zone named after a French physicist (7)
  9. 17. 3D ray tracing software (8)
  10. 19. Compass bearing (7)
  11. 20. Liquid pressure converter (10)
  12. 25. Capture opening of array reach (8)
  13. 26. Survey design and optimization software package (9)
  14. 27. One seismic wiggle (5)
  15. 30. Network of regularly spaced collectors (4)
  16. 32. Vertical seismic image (7)
  17. 35. Adequately Constructed Time (3)
  18. 37. Wiggles grouped together (6)