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USM’s Hydrographic Science Summer Survey 2004

USM’s Hydrographic Science Summer Survey 2004. Skiff Setup and Logistics. Skiff Setup. 1995 Carolina Skiff 21 20' 9¾” LOA 93“ Beam. Weight 1250 lb. Capacity 2700 lb. 88 HP Johnson outboard. Skiff Setup. Knudsen 320MP Single Beam Echo Sounder. Skiff Setup. Knudsen 320MP

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USM’s Hydrographic Science Summer Survey 2004

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  1. USM’s Hydrographic Science Summer Survey 2004 Skiff Setup and Logistics

  2. Skiff Setup • 1995 Carolina Skiff 21 • 20' 9¾” LOA • 93“ Beam • Weight 1250 lb. • Capacity 2700 lb. • 88 HP Johnson outboard USM 2004 Upper Pearl Survey

  3. Skiff Setup • Knudsen 320MP • Single Beam Echo Sounder USM 2004 Upper Pearl Survey

  4. Skiff Setup Knudsen 320MP Single Beam Echo Sounder • Purchased by USM in 1999 • Splash proof, molded casing (Not humidity proof!) • High resolution, 32 gray scale thermal printer • Dual Frequency (28 Hz - 200 KHz) - Simultaneous Operation • Digital Signal Processing (DSP) USM 2004 Upper Pearl Survey

  5. Skiff Setup Knudsen KEL771 Dual Frequency Transducer • Operates at 28 kHz and 200 kHz. • 28 kHz is generated by a seven-element ceramic array. • 200 kHz generated by a single large diameter ceramic. • Transducer produces beam angles of 4° (high) and 29° (low). • Also used as obstruction locator. USM 2004 Upper Pearl Survey

  6. Skiff Setup • Trimble MS860 • WAAS GPS receiver USM 2004 Upper Pearl Survey

  7. Skiff Setup Trimble MS860 WAAS GPS receiver • Dual-antenna inputs for position, heading and speed. USM 2004 Upper Pearl Survey

  8. Skiff Setup Trimble MS860 WAAS GPS receiver • Set to output NMEA messages GGA, HDT, VTG, GGK, GST, ZDA to Hypack for navigation and heading. • Configured to use WAAS signal for differential corrections. • Performed flawlessly – only downside is it needs bulky 24V transformer. USM 2004 Upper Pearl Survey

  9. Skiff Setup Hypack Max Data collection/helm display Helm Display Dell 17” LCD Data Logger Dell C800 USM 2004 Upper Pearl Survey

  10. Skiff Setup Ashtech Z-Extreme PPK data collection Ashtech GPS receiver Ashtech L1/L2 Antenna USM 2004 Upper Pearl Survey

  11. Skiff Setup Marine Sonic SSS setup and tow configuration. TOWPOINT USM 2004 Upper Pearl Survey

  12. Skiff Setup Marine Sonic SSS setup and tow configuration. Tow Fish Honda Generator GPS MS860 SSS Computer ANT 1 ANT 2 USM 2004 Upper Pearl Survey

  13. Skiff Setup Other Survey Equipment • Aluminum Plate for single beam check (Plate Check) • Secchi Disk • Odom Digibar sound speed velocimeter model DB1200 • Wildco bottom grab sampler USM 2004 Upper Pearl Survey

  14. Skiff Setup Aluminum Plate for SBES Check • (5) 2” holes machined in plate to solve drift/sink problem. USM 2004 Upper Pearl Survey

  15. Skiff Setup Secchi Disk At the surface! USM 2004 Upper Pearl Survey

  16. Skiff Setup Odom Digibar Pro Sound velocity meter • Uses “Sing around” principle for velocity measurement (11kHz) • CTD measurements not required. • Accuracy: ± 0.3 m/s • Weighs 2.6 lbs • Runs on 3 “C” cells USM 2004 Upper Pearl Survey

  17. Skiff Setup Power System • Honda 120V/220V 3000w generator • Pyramid 5 Amp/0-30 Volt DC variable power supply • Guest 10/5 Amp marine battery charger • 700 amp hour deep cycle battery and backup starting battery USM 2004 Upper Pearl Survey

  18. Skiff Setup Batteries Honda Generator Marine DC Charger USM 2004 Upper Pearl Survey

  19. Skiff Setup Power System Honda Generator Starting Battery 10/5 A 12V Transformer Knudsen Deep Cycle Battery 5A 0-30V Transformer GPS MS860 Power Strip Helm Monitor Computer USM 2004 Upper Pearl Survey

  20. Knudsen Helm Monitor GPS MS860 Rocket Box Computer Ashtech PPK GPS Ash- Tech Transducer ANT 1 ANT 2 Skiff Setup Data System USM 2004 Upper Pearl Survey

  21. Skiff Logistics • Overnight storage • SBT boat launch • Transit times • Fuel and materials costs USM 2004 Upper Pearl Survey

  22. Skiff Logistics • Overnight storage at the NAVO Annex USM 2004 Upper Pearl Survey

  23. Skiff Logistics • Launched from the SBT boat launch at quay wall USM 2004 Upper Pearl Survey

  24. Skiff Logistics • Survey time estimates and actual USM 2004 Upper Pearl Survey

  25. Skiff Logistics • Fuel Cost $317 • Materials and supplies $299 • Maintenance/Repairs $180 • Storage/Slip $0 • Office Space $0 • Accommodations $0 • Total $796 USM 2004 Upper Pearl Survey

  26. Skiff Setup References • http://www.knudsenengineering.com/ASP/Products/Products.asp • http://www.carolinaskiff.com/dlx%20page.htm • http://www.trimble.com/ms860.html • http://www.odomhydrographic.com/velocimeter.htm USM 2004 Upper Pearl Survey

  27. Execution:Ancillary Observations James Coleman

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