#DATA_DATES: 1995/06/23 13:29:00 --- to --- 1995/07/23 00:53:00
 #LON_RANGE: 178.38 W --- to --- 158.12 W
 #LAT_RANGE:  21.25 N --- to ---  28.40 N
 #DEPTH_RANGE:     19 --- to --- 411 m
 #SAC_CRUISE_ID: 00748 
 #PLATFORM_NAME: R/V Townsend Cromwell
 #PRINCIPAL_INVESTIGATOR_NAME: unconfirmed
 #PI_INSTITUTION: National Marine Fisheries Service, Honolulu
 #PI_COUNTRY: USA
 #PROJECT: unconfirmed
 #CRUISE_NAME: tc9501
 #PORTS: Honolulu, Oahu - Midway - Honolulu, Oahu
 #GEOGRAPHIC_REGION: NW Hawaiian Islands, North Central Pacific
 #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                    : 
most of the time spent in shallow water, too shallow for
reflayer calculations, so the data remaining are primarily the runs
between stops

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                 : 23 --- to --- 407 m bin centers
  BIN LENGTH                  :  8 m
  NUMBER OF BINS              : 40
  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         : 720
  CLOCK                       : PC and GPS; no corrections
  COMMENTS                    :

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

ANCILLARY MEASUREMENTS            
  SURFACE TEMP AND SALINITY   : yes, at times
  PITCH/ROLL MEASUREMENTS     : no
  HYDRO CAST MEASUREMENTS     : yes
  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          : 2001
  ADDED TO NODC DB            : March 2004
  NOTABLE SCATTERING LAYERS   :
  COMMENTS                    : editing applied

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      : No
    BOTTOM TRACK METHOD         : No
    WATER TRACK METHOD          : yes
    FINAL SELECTION             : amp=0.999   angle= 02.7
    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.) :