Gerald Miller, Michael McCormick, James Saylor 
Great Lakes Environmental Research Lab
2205 Commonwealth Blvd.
Ann Arbor, MI  48105
Phone:  734/741-2119, 734/741-2277, 734/741-2118
FAX:    734/741-2055
Email:  michael.mccormick@noaa.gov

GLERL/EEGLE Acoustic Doppler Current Profiler (ADCP) Moorings 11/1997-06/1998
Manufacturer: RD Instruments, 9855 Businesspark Ave., San Diego, CA 92131-1011

 Header Line: N Lat (dec. deg), W. Lon (dec. deg), ADCP Depth (m), Inst. No., 
              Year Deployed, Mooring Name, # cells in each ensemble

 Ensemble Header:
  EN          Ensemble Number
  YR          Year (UT)
  DOY         Day of year (UT)
  TIME        Universal time (UT - Hours and minutes HHMM)
  WT          Water Temperature at the transducer (Degrees C)
 Depth cell data top to bottom:
  CN          Cell Number
  Dpth        Mid-cell depth (m)
  E           Eastward component of horizontal current (cm/s)
  N           Northward component of horizontal current (cm/s)
  W           Vertical velocity (cm/s)
  ECH         Echo intensity, mean of the four beams (dB)
 
Data Sources:
                                              Sensor Info                    Depth (m)
 File Name       Mooring  Lat(N)    Lon(W)   No.  No. cells      Dates      Water/ADCP    OP #
A1-1997-18M.txt   A1-97  42 06.04' 86 33.59'  1  3912  14  11/02/97-06/12/98 20.5/18.3 S1997303.04
A2-1997-38M.txt   A2-97  42 06.79' 86 38.52'  1  0163  32  11/02/97-06/12/98 40.3/38.1 S1997303.03
A4-1997-18M.txt   A4-97  42 10.43' 86 29.41'  2  0302  12  11/02/97-06/12/98 20.2/18.0 S1997303.02
A5-1997-38M.txt   A5-97  42 13.73' 86 36.72'  1  0155  32  11/02/97-06/12/98 40.5/38.3 S1997303.01

Sensor No.: 1=WH-ADCP-300, 2=NB-ADCP-600


WH-ADCP 300kHz:
Frequency:       307200 Hz
Configuration:   4-beam, Convex
Beam Angle:      20 degrees
Orientation:     Up
CPU Firmware:    8.18(#391),
                 8.19(#0163 & #0155)
Depth Cell Size: 1 m
Blank After Transmit:176 cm
Pings/Ensemble:  240
Std Deviation:   0.8 cms-1
Time/Ensemble:   30-minutes
Velocity:
  Accuracy +_0.5%+_0.5 cms-1
Temperature:
  Accuracy +-0.4oC
  Resolution 0.01o
Compass:
  Long-term Accuracy +-5o
  Resolution 0.01o
Echo Intensity
  Uncertainty +-1.5 dB (relative)



NB-ADCP 600kHz:
Frequency:       614000 Hz
Configuration:   4 beam, Convex
Beam Angle:      20 degrees
Orientation:     Up
CPU Firmware:    17.10 

Depth Cell Size: 1 m
Blank After Transmit:100 cm
Pings/Ensemble:  1600
Std Deviation:   1.0 cms-1 
Time/Ensemble:   30-minutes
Velocity:
  Accuracy +_0.2%+_0.5 cms-1
Temperature:
  Accuracy +-0.4oC
  Resolution 0.01o
Compass:
  Long-term Accuracy +-2o
  Resolution 0.01o
Echo Intensity 
  Uncertainty +-3 dB (relative)