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SeaTow Tests - July 30, 2003

Analysis of GPS track, detection data, and CODAR data for SeaTow tests conducted on July 30, 2003, to determine range, range rate, and bearing.

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SeaTow Tests - July 30, 2003

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  1. 41’ SeaTow tests (July 30, 2003): Sea State: ??? Waypoints : Brant Beach (BB): 39° 36.917’ N; 74° 11.90’ W Loveladies (LL): 39° 44.171’ N; 74° 7.029’ W Tuckerton (T): 39° 32.615 N; 73° 58.665 W LL O T Figure 1. Onboard GPS track for July 30, 2003 SeaTow 41 tests.

  2. Figure 2. SeaTow 41. Speed range form 0-30 knots

  3. Parameters used for the 41’ SeaTow tests (July 30, 2003): Legs 1-4 (14:15 GMT – 17:00 GMT) Loveladies Frequency: 4.55 MHz Bandwidth: 50 KHz Blank : 121.6 microsecs Tuckerton Frequency: 4.55 MHz Bandwidth: 50 KHz Blank : 121.6 microsecs Boat Speed: 21-23 knots Leg 1 : T-O Leg 2: O-LL Leg 3: LL-O

  4. SEATOW 41 FT TEST – 30 JULY 2003 Figure 3. Legs 1-3 Detection Data: Time vs. Range, Range Rate, and Bearing Applied Mathematics, Inc.

  5. SEATOW 41 FT TEST – 30 JULY 2003 ) Figure 4. Legs 1-3 Detection Data: Time vs. Range, Range Rate, and Bearing Errors Applied Mathematics, Inc.

  6. SEATOW 41 FT TEST – 30 JULY 2003 Figure5. Time vs. Range for First Leg: 1419.21 – 1450.21 Figure 6. Time vs. Range Rate for First Leg: 1419.21 – 1450.21 Figure 7. Time vs. Bearing for First Leg: 1419.21 – 1450.21

  7. SEATOW 41 FT TEST – 30 JULY 2003 LOVELADIES 301419.21Z JUL 03 301450.21Z JUL 03 + x x x + + TUCKERTON Figure 8. CODAR Data, GPS Track, and Tracker Solution for First Leg: 1419.21 – 1450.21 Applied Mathematics, Inc.

  8. SEATOW 41 FT TEST – 30 JULY 2003 Figure 9. Time vs. Range for Second and Third Leg: 1533.53 – 1558.38 Figure 10. Time vs. Range Rate for Second and Third Leg: 1533.53 – 1558.38 Figure 11. Time vs. Bearing for Second and Third Leg: 1533.53 – 1558.38

  9. 301533.53Z JUL 03 301558.38Z JUL 03 + x SEATOW 41 FT TEST – 30 JULY 2003 LOVELADIES + + x x TUCKERTON Figure 12. CODAR Data, GPS Track, and Tracker Solution for Second and Third Leg: 1533.53 – 1558.38

  10. 25’ SeaTow tests (October 8, 2003): Sea State: Glassy, 1-2’ swell (15sec) Waypoints : Brant Beach (BB) : 39° 36.917’ N; 74° 11.90’ W Loveladies (LL) : 39° 44.171’ N; 74° 7.029’ W Offshore (O): 39° 35.72’ N; 73° 57.88’ W LL BB O Figure 13. Onboard GPS track for October 8, 2003 SeaTow 25 tests.

  11. Figure 14. SeaTow 25. Speed range form 0-40 knots

  12. Parameters used for the 25’ SeaTow tests (October 8, 2003): Legs ABCD (13:13 GMT – 15:25 GMT) Loveladies Frequency: 4.55 MHz Bandwidth: 50KHz Blank : 121.6 microsecs Brant Beach Frequency: 24.7 MHz Bandwidth: 50 KHz Blank : 121.6 microsecs Legs EFGH (15:45 GMT – 17:50 GMT) Loveladies Frequency: 4.55 MHz Bandwidth: 50KHz Blank : 240.8 microsecs Brant Beach Frequency: 24.7 MHz Bandwidth: 50 KHz Blank : 240.8 microsecs Boat Speed: 23-26 knots Leg A/E : BB-O Leg B/F : O-LL Leg C/G : LL-O Leg D/H: O-BB

  13. Figure 15. Brant Beach detections for legs ABCD for (a) range, (b) range rate, and (c) bearing.

  14. Figure 16. Brant Beach SNR for legs ABCD for (a) range, (b) range rate, and (c) bearing.

  15. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 17. Time vs. Range for Leg A: 1337.00 – 1351.00 Figure 18. Time vs. Range Rate for Leg A: 1337.00 – 1351.00 Figure 19. Time vs. Bearing for Leg A: 1337.00 – 1351.00

  16. LOVELADIES TRACKER SOLUTION IS BASED ON DATA FROM BRANT BEACH x + + x BRANT BEACH 081337.00Z OCT 03 081351.00Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 20. CODAR Data, GPS Track, and Tracker Solution for Leg A: 1337.00 – 1351.00

  17. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 21. Time vs. Range for Leg D: 1511.15 – 1524.15 Figure 22. Time vs. Range Rate for Leg D: 1511.15 – 1524.15 Figure 23. Time vs. Bearing for Leg D: 1511.15 – 1524.15

  18. LOVELADIES TRACKER SOLUTION IS BASED ON DATA FROM BRANT BEACH x x + + BRANT BEACH 081511.15Z OCT 03 081524.15Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 24. CODAR Data, GPS Track, and Tracker Solution for Leg D: 1511.15 – 1524.15

  19. Figure 25. Loveladies detections for legs ABCD for (a) range, (b) range rate, and (c) bearing.

  20. Figure 26. Loveladies SNR for legs ABCD for (a) range, (b) range rate, and (c) bearing.

  21. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 27. Time vs. Range for Leg B: 1416.33 – 1424.03 Figure 28. Time vs. Range Rate for Leg B: 1416.33 – 1424.03 Figure 29. Time vs. Bearing for Leg B: 1416.33 – 1424.03

  22. LOVELADIES x x + + TRACKER SOLUTION IS BASED ON DATA FROM LOVELADIES BRANT BEACH 081416.33Z OCT 03 081424.03Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 30. CODAR Data, GPS Track, and Tracker Solution for Leg B: 1416.33 – 1424.03

  23. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 31. Time vs. Range for Leg C: 1430.27 – 1448.42 Figure 32. Time vs. Range Rate for Leg C: 1430.27 – 1448.42 Figure 33. Time vs. Bearing for Leg C: 1430.27 – 1448.42

  24. LOVELADIES + + TRACKER SOLUTION IS BASED ON DATA FROM LOVELADIES x x BRANT BEACH 081430.27Z OCT 03 081448.42Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 34. CODAR Data, GPS Track, and Tracker Solution for Leg C: 1430.27 – 1448.42

  25. Figure 35. Brant Beach detections for legs EFGH for (a) range, (b) range rate, and (c) bearing.

  26. Figure 36. Brant Beach SNR for legs EFGH for (a) range, (b) range rate, and (c) bearing.

  27. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 37. Time vs. Range for Leg E: 1548.35 – 1620.10 Figure 38. Time vs. Range Rate for Leg E: 1548.35 – 1620.10 Figure 39. Time vs. Bearing for Leg E: 1548.35 – 1620.10

  28. LOVELADIES TRACKER SOLUTION IS BASED ON DATA FROM BRANT BEACH + + x BRANT BEACH x 081548.35Z OCT 03 081610.20Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 40. CODAR Data, GPS Track, and Tracker Solution for Leg E: 1548.35 – 1620.10

  29. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 32. Time vs. Range for Leg C: 1430.27 – 1448.42 Figure 41. Time vs. Range for Leg H: 1728.18 – 1748.03 Figure 42. Time vs. Range Rate for Leg H: 1728.18 – 1748.03 Figure 43. Time vs. Bearing for Leg H: 1728.18 – 1748.03

  30. LOVELADIES TRACKER SOLUTION IS BASED ON DATA FROM BRANT BEACH + x x + BRANT BEACH 081728.18Z OCT 03 081748.03Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 44. CODAR Data, GPS Track, and Tracker Solution for Leg H: 1728.18 – 1748.03

  31. Figure 45. Loveladies detections for legs EFGH for (a) range, (b) range rate, and (c) bearing.

  32. Figure 46. Loveladies SNR for legs EFGH for (a) range, (b) range rate, and (c) bearing.

  33. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 47. Time vs. Range for Leg F: 1637.21 – 1642.51 Figure 48. Time vs. Range Rate for Leg F: 1637.21 – 1642.51 Figure 49. Time vs. Bearing for Leg F: 1637.21 – 1642.51

  34. LOVELADIES x x + + TRACKER SOLUTION IS BASED ON DATA FROM LOVELADIES BRANT BEACH 081637.21Z OCT 03 081642.51Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 50. CODAR Data, GPS Track, and Tracker Solution for Leg F: 1637.21 – 1642.51

  35. SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 51. Time vs. Range for Leg C: 1430.27 – 1448.42 Figure 52. Time vs. Range Rate for Leg C: 1430.27 – 1448.42 Figure 53. Time vs. Bearing for Leg C: 1430.27 – 1448.42

  36. LOVELADIES + + TRACKER SOLUTION IS BASED ON DATA FROM LOVELADIES x x BRANT BEACH 081430.27Z OCT 03 081448.42Z OCT 03 + x SEATOW 25 FT TEST – 8 OCTOBER 2003 Figure 54. CODAR Data, GPS Track, and Tracker Solution for Leg C: 1430.27 – 1448.42

  37. SeaTow 25 Brant Beach Detections 121 Blank (Run 1)

  38. SeaTow 25 Brant Beach Detections 121 Blank (Run 1)

  39. SeaTow 25 Loveladies Detections 121 Blank (Run 1)

  40. SeaTow 25 Loveladies Detections 121 Blank (Run 1)

  41. SeaTow 25 Brant Beach Detections 240 Blank (Run 2)

  42. SeaTow 25 Brant Beach Detections 240 Blank (Run 2)

  43. SeaTow 25 Loveladies Detections 240 Blank (Run 2)

  44. SeaTow 25 Loveladies Detections 240 Blank (Run 2)

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