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 08/1998-07/1999
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:
   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)(sonar eq. not applied)
 
Data Sources:
                                              Sensor Info                    Depth (m)
 File Name       Mooring  Lat(N)    Lon(W)   No.  No. cells      Dates      Water/ADCP    OP #
A1-1998-20M.txt   A1-98  42 05.99' 86 33.53'  1  0391  14  08/26/98-07/07/99 20.5/18.3 S1998237.02
A2-1998-40M.txt   A2-98  42 06.78' 86 38.51'  1  0155  31  08/26/98-05/27/99 40.3/38.1 S1998237.03
A3A-1998-29M.txt  A3A-98 42 09.47' 86 35.10'  2  0302  24  08/26/98-07/07/99 28.7/26.0 S1998237.05
A3B-1998-29M.txt  A3B-98 42 09.39' 86 35.09'  3  0376  16  08/26/98-05/27/99 28.7/26.5 S1998237.06
A4-1998-21M.txt   A4-98  42 10.38' 86 29.37'  3  0108  15  08/26/98-04/20/99 21.1/20.1 S1998237.01 
A5-1998-40M.txt   A5-98  42 13.75' 86 36.82'  1  0163  32  08/26/98-05/27/99 40.5/38.3 S1998237.04

Sensor No.: 1=WH-ADCP-300kHz, 2=NB-ADCP-600kHz, 3=WH-ADCP-1200kHz


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 +-0.4 C
  Resolution 0.01 C
Compass:
  Long-term Accuracy +-5 deg
  Resolution 0.01 deg
Echo Intensity
  Uncertainty +-1.5 dB (relative)


WH-ADCP 1200kHz:
Frequency:       1228800 Hz
Configuration:   4-beam, Convex
Beam Angle:      20 degrees
Orientation:     Up
CPU Firmware:    8.18
Depth Cell Size: 1 m
Blank After Transmit:44 cm
Pings/Ensemble:  200
Std Deviation:   0.2 cm/s
Time/Ensemble:   30-minutes
Velocity:
  Accuracy +_0.5%+_0.5 cm/s
Temperature:
  Accuracy +-0.4 C
  Resolution 0.01 C
Compass:
  Long-term Accuracy +-5 deg
  Resolution 0.01 deg
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 +-0.4 C
  Resolution 0.01 C
Compass:
  Long-term Accuracy +-2 deg
  Resolution 0.01 deg
Echo Intensity 
  Uncertainty +-3 dB (relative)