#DATA_DATES: 2000/05/08 10:00:00 --- to --- 2000/05/21 18:20:00
 #LON_RANGE: 178.40 W --- to --- 157.88 W
 #LAT_RANGE:  21.25 N --- to ---  28.40 N
 #DEPTH_RANGE:     20 --- to --- 412 m
 #SAC_CRUISE_ID: 00777 
 #PLATFORM_NAME: R/V Townsend Cromwell
 #PRINCIPAL_INVESTIGATOR_NAME: unconfirmed
 #PI_INSTITUTION: National Marine Fisheries Service, Honolulu
 #PI_COUNTRY: USA
 #PROJECT: unconfirmed
 #CRUISE_NAME: tc0005
 #PORTS: Honolulu, Oahu 
 #GEOGRAPHIC_REGION: North Central Pacific; NW Hawaiian Islands
 #PROCESSED_BY: University of Hawaii at Manoa
 #NAVIGATION: GPS 
 #QUALITY_NAV: ok
 #GENERAL_INFORMATION: 
CRUISE NOTES
  CHIEF SCIENTIST ON SHIP     : unconfirmed
    INSTITUTE                 : National Marine Fisheries Service, Honolulu
    COUNTRY                   : USA
  SIGNIFICANT DATA GAPS       : 
  SPECIAL SHIP TRACK PATTERNS : 
  COMMENTS                    : 
ashtec coverage good
numerous adcp gaps; some due to no data collection, others due to shallow
water at numerous destinations along the NWHI

ADCP INSTRUMENTATION
  MANUFACTURER                : RDI
  HARDWARE MODEL              : VM-150
  TRANSMIT FREQUENCY          : 153 KHz
  TRANSDUCER CONFIGURATION    : JANUS CONCAVE 
  ACOUSTIC BEAM WIDTH         :
  TRANSDUCER BEAM ANGLE       : 30 deg
  COMMENTS                    : 

ADCP INSTALLATION
  METHOD/DESCRIPTION OF THE
       ATTACHMENT TO THE HULL : 
  LOCATION/DEPTH ON HULL      : Nominally 3 m.
  REPEATABLE ATTACHMENT       : 
  DATE OF MOST RECENT ATTACH. :
  ACOUSTIC WINDOW             :
  COMMENTS                    :

ADCP INSTRUMENT CONFIGURATION     
  DEPTH RANGE                 : 24 to 408 m  (bin centers)
  BIN LENGTH                  :  8 m
  NUMBER OF BINS              : 50
  TRANSMIT PULSE LENGTH       : 16 m
  BLANKING INTERVAL           :  4 m
  ENSEMBLE AVERAGING INTERVAL : 300 s 
  SOUND SPEED CALCULATION     : function of transducer temperature
  BOTTOM TRACKING             : none
  DIRECT COMMANDS             :
  COMMENTS                    :

ADCP DATA ACQUISITION SYSTEM
  SOFTWARE DEVELOPERS         : RDI
  SOFTWARE VERSIONS           : DAS 2.48
  DATA LOGGER, MAKE/MODEL     :
  ADCP/LOGGER COMMUNICATION   :
  USER BUFFER VERSION         : 1920
  CLOCK                       : PC and GPS; no corrections
  COMMENTS                    :

SHIP HEADING                      
  INSTRUMENT MAKE/MODEL       : gyrocompass
  SYNCHRO OR STEPPER          :
  SYNCHRO RATIO               : 
  COMPENSATION APPLIED        :
  GPS ATTITUDE SYSTEM         : Ashtech
    LOCATION OF ANTENNAS      :
    RIGID ATTACHMENT          : 
    LOGGING RATE              :

ANCILLARY MEASUREMENTS            
  SURFACE TEMP AND SALINITY   : yes, at times
  PITCH/ROLL MEASUREMENTS     : no
  HYDRO CAST MEASUREMENTS     : no
  BIOMASS DETERMINATION       : no
    DATE OF LAST CALIBRATION  :
    CALIBRATION COEFFICIENTS  :
    BEAM-AVERAGED AGC AVAILABLE?: 
    CALIBRATION NET TOWS?     :  
  COMMENTS                    :

ADCP DATA PROCESSING/EDITING
  PERSONNEL IN CHARGE         : J.Firing
  DATE OF PROCESSING          : 2002 (JF)
  ADDED TO NODC DB            : March 2004
  NOTABLE SCATTERING LAYERS   :
  COMMENTS                    : editing applied
flagged as badprf times in shallow water where max bin just at
top of reflayer, and small isolated clumps of profiles in lagoons,
as well as times moving into and out of the shallow water (showed
up as large blips on reflayer plots)

NAVIGATION
  GPS                         : YES
    MAKE/MODEL                : 
                                
    SELECTIVE AVAILABILITY    : Yes
    LOCATION OF ANTENNA 
      RELATIVE TO TRANSDUCER  : 
    TIME OBTAINED RELATIVE TO
      START/END OF ENSEMBLE   : 
    AVERAGING/EDITING APPLIED : hand-edited for outliers  
    LOGGED WITH ADCP DATA     : yes
    LOGGED INDEPENDENTLY      : yes
    COMMENTS                  : 

CALIBRATION 
    GYROCOMPASS CORRECTION      : yes, Ashtech
    BOTTOM TRACK METHOD         : no
    WATER TRACK METHOD          : yes
    CALIBRATION APPLIED:  amp   =  1.01  phase = -1.9 
    COMMENTS                    : 

NAVIGATION CALCULATION             
    NAVIGATION USED             : GPS 
    REFERENCE LAYER DEPTH RANGE : bins 4 to 12
    FILTERING METHOD FOR 
      SMOOTHING REFERENCE LAYER 
      VELOCITY (FORM/WIDTH)     : Blackman window function of width T ( .5 hr):
         w(t) = 0.42 - 0.5 * cos(2 * pi *t / T) + 0.08 * cos(4 * pi * t / T).
    FINALIZED SHIP VEL/POSITIONS 
    STORED IN DATABASE          : YES
    COMMENTS                    : 

 GENERAL_ASSESSMENT             : ok
    ON-STATION VS. UNDERWAY     : ok
    VECTOR, CONTOUR, STICK PLOTS: ok
    COMMENTS                    : ok

 REFERENCES (DATA REPORTS,ETC.) :