#DATA_DATES: 2003/10/27 15:50:00 --- to --- 2003/11/21 01:56:00
 #LON_RANGE: 110.29 W --- to ---  84.62 W
 #LAT_RANGE:   8.02 S --- to ---  12.02 N
 #DEPTH_RANGE:     17 --- to --- 457 m
 #SAC_CRUISE_ID: 01032 
 #PLATFORM_NAME: R/V Ron Brown
 #PRINCIPAL_INVESTIGATOR_NAME: Eric Firing, Jules Hummon
 #PI_INSTITUTION: University of Hawaii
 #PI_COUNTRY: USA   
 #PROJECT: TAO (Tropical Atmosphere-Ocean) Array
 #CRUISE_NAME: rb0309, GP6-03-RB 
 #PORTS: Balboa, Panama
 #GEOGRAPHIC_REGION: Tropical Eastern Pacific Ocean
 #PROCESSED_BY: Jules Hummon, University of Hawaii
 #NAVIGATION: Conventional gyro compass, Ashtec 3d GPS Receiver
 #QUALITY_NAV:  <good>
 #GENERAL_INFORMATION: 
CRUISE NOTES
  CHIEF SCIENTIST ON SHIP       : Ben Moore
    INSTITUTE                   : NOAA, PMEL
    COUNTRY                     : USA
  SIGNIFICANT DATA GAPS         : 
  SPECIAL SHIP TRACK PATTERNS   : none
  COMMENTS                      :
Only the Pacific blue water areas included in this dataset.

ADCP INSTRUMENTATION
    MANUFACTURER                : RDI
    HARDWARE MODEL              : 150 kHz Narrowband
    SERIAL NUMBERS              :
    FIRMWARE VERSION            :
    TRANSMIT FREQUENCY          :
    ACOUSTIC BEAM WIDTH         :
    TRANSDUCER BEAM ANGLE       :
    COMMENTS                    :

ADCP INSTALLATION
  METHOD/DESCRIPTION OF THE
    ATTACHMENT TO THE HULL    : Position roughly midship on hull.
                                Bolted onto stand inside seachest.
  LOCATION/DEPTH ON HULL      : transducer depth nominally at 5m (19')
  REPEATABLE ATTACHMENT       : yes
  DATE OF MOST RECENT ATTACH. : 1997
  ACOUSTIC WINDOW             :  no
  COMMENTS                    : 

ADCP INSTRUMENT CONFIGURATION     
  DEPTH RANGE                 : 17 to 489 m
  BIN LENGTH                  : 8 m
  NUMBER OF BINS              : 56
  TRANSMIT PULSE LENGTH       : 8 m
  BLANKING INTERVAL           : 4 m
  ENSEMBLE AVERAGING INTERVAL : 300 s
  SOUND SPEED CALCULATION     : Function of transducer temperature 
  BOTTOM TRACKING             :
  DIRECT COMMANDS             :
  COMMENTS                    :

ADCP DATA ACQUISITION SYSTEM
  SOFTWARE DEVELOPERS         : RDI
  SOFTWARE VERSIONS           : RDI DAS 2.48 with UE4
  DATA LOGGER, MAKE/MODEL     : 100 mb zip drive
  ADCP/LOGGER COMMUNICATION   : 
  USER BUFFER VERSION         : 1920
  CLOCK                       : 
  COMMENTS                    :

SHIP HEADING                      
  INSTRUMENT MAKE/MODEL       : Sperry Mark 37 gyro and 
                                a Sperry Mark 39 Mod 0 laser ring gyro
  SYNCHRO OR STEPPER          : synchro
  SYNCHRO RATIO               :
  COMPENSATION APPLIED        :
  GPS ATTITUDE SYSTEM         : Yes, Aschtech
    LOCATION OF ANTENNAS      :  
    RIGID ATTACHMENT          : 
    LOGGING RATE              : 
  COMMENT                     : The Mark 37 gyro relies on manual latitude 
and speed corrections, the Mark 39 gyro relies on automatic speed log corrections.
    
ANCILLARY MEASUREMENTS
   SURFACE TEMP AND SALINITY    : yes
   PITCH/ROLL MEASUREMENTS      : yes or no
   HYDRO CAST MEASUREMENTS      : yes
   BIOMASS DETERMINATION        : no
   COMMENTS                     :

NAVIGATION
  GPS                         : Three primary - a Trimble Centurian P-code GPS, 
                                a Magnavox MX-200 GPS, 
                                and a Northstar 941x differential GPS
    MAKE/MODEL                :
    SELECTIVE AVAILABILITY    : yes
    P-CODE                    : yes
    DIFFERENTIAL              : yes
    SAMPLE INTERVAL           : 
    LOCATION OF ANTENNA
      RELATIVE TO TRANSDUCER  : 
                                    4 ft. 4 in. to starboard
                                    86 ft. 7 in. aft
                                    59 ft. 9 in. vertical
                                    this is the p-code gps antenna 
    TIME OBTAINED RELATIVE TO
      START/END OF ENSEMBLE   : start and end of ensemble
    AVERAGING/EDITING APPLIED : ensemble position is average of end of present
                                ensemble and start of following ensemble
    LOGGED WITH ADCP DATA     : yes
    LOGGED INDEPENDENTLY      : yes
    COMMENTS                  :
  OTHER                       :
ADCP DATA PROCESSING/EDITING
    PERSONNEL IN CHARGE         : Jules Hummon
    DATE OF PROCESSING          : 
    ADDED TO NODC DB            : Apr 2007
    SOUND SPEED CORRECTIONS     :
    NOTABLE SCATTERING LAYERS   :
    COMMENTS :        poor heading sources leave lots of editing;
            watertrack calibration is useless without better headings

CALIBRATION
    GYROCOMPASS CORRECTION      : YES with Ashtech data
    WATER TRACK METHOD          : Yes
Number of edited points: 131 out of 139
   amp   = 0.9999  + 0.0003 (t - 309.7)
   phase =   0.01  + -0.0052 (t - 309.7)
            median     mean      std
amplitude   0.9990   0.9999   0.0076
phase       0.0540   0.0149   0.4561
    BOTTOM TRACK METHOD         : Yes
    FINAL SELECTION             : AMPLITUDE=   1.0085   PHASE= 0.3 deg
    AGREEMENT WITH PREVIOUS
      CRUISES                   : OK
    COMMENTS                    :

NAVIGATION CALCULATION             
    NAVIGATION USED             : GPS 
    REFERENCE LAYER DEPTH RANGE : bins 5 to 15
    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                    :  

REFERENCES (DATA REPORTS,ETC)   :