1. GoMOOS G ulf of M aine O cean O bserving S ystem Telemetry System Design for Reliability Robert Stessel GoMOOS / University of Maine

2. Gulf of Maine

3. Remote Sensing Dr. Andrew Thomas - U.Maine

4. Surface Temperature Modeling Dr. Huijie Xue - U.Maine Surface Current

5. CODAR Dr. Neal Pettigrew - U.Maine

6. Moored ODAS Dr. Neal Pettigrew - U.Maine

7. Moored ODAS Dr. Neal Pettigrew - U.Maine

8. Moored Buoy Array Dr. Neal Pettigrew - U.Maine

10. Solar Panels & Batteries Lantern - Radar Reflector GPS Receiver - Leak Detector Cellular or Irridium LEO Sat Phone GOES Satellite Transmitter (Backup)

11. Wind Speed & Direction Air Temperature Visibility Accelerometer ( Wave ) ( Irradiance ) Solar Panels & Batteries Lantern & Radar Reflector GPS Receiver and Leak Detector Cel Phone or Irridium LEO Sat Phone GOES Satellite Transmitter (Backup)

12. Wind Speed & Direction Air Temperature Visibility Accelerometer ( Wave ) ( Irradiance ) Solar Panels & Batteries Lantern & Radar Reflector GPS Receiver & Leak Detector Cel Phone or Irridium LEO Phone GOES Satellite Transmitter (Backup) CT - Conductivity (Salinity) & Temp Surface Current ( Ocean Color ) : Fluorometer Down & Up Welling Irradiance Transmissometer Doppler Current Profiler Inductive Modem Coupler CT on Inductive Modem (Some w/Dissolved Oxygen) CT on Inductive Modem ( Inductive Modem Interface ) ( Ocean Color ) Depth (Meters) 1 2 3 4 18 20 50

13. Data Processing

14. Design Goals Real Time Data Acquisition & Display Reliability Serviceability Expandability Low Power Consumption

23. Datalogger Program Two time tables – sampling / control Built with subroutines – easily modified Power Control – normal / low / critical Test Routines – self resetting

24. Future Plans F i x e s Cel Phone – cold WX Met Sensor – Icing Cable Breakage Instrument Batteries Buoy Battery / Icing Solar Panel Blowouts Verify Power Budget A d d i t i o n s Wave – 3D Humidity Barometric Pressure ECOLAB – nutrient analyzer FLOCAM – plankton analyzer Whale Phone Active Radar Reflector Digital / Web Phone

25. Summary Reliability Watertight Integrity Enclosed Antennas Flooded Coax Cable Sealed Battery Terminals Redundant Chargers Desiccant & Nitrogen Leak Detector Power Management Serviceability Test ports Test routines in program Standardization Expandability Spare input ports Standardized modules Space for additions Inductive Modem Program with subroutines Standardization

26. Acknowledgements Dr. Neal Pettigrew Campbell Scientific Seabird Electronics GoMOOS Funding –Office of Naval Research –NOAA –GoMOOS Partners stessel@maine.edu