#DATA_DATES: 2005/09/25 23:11:00 --- to --- 2005/10/20 17:43:00
 #LON_RANGE: 172.80 E --- to ---  80.11 W
 #LAT_RANGE:  52.88 S --- to ---  43.57 S
 #DEPTH_RANGE:     48 --- to --- 1704 m
 #SAC_CRUISE_ID: 01044 
 #PLATFORM_NAME: R/V N.B. Palmer
 #PRINCIPAL_INVESTIGATOR_NAME: E.Firing,J.Hummon
 #PI_INSTITUTION: University of Hawaii
 #PI_COUNTRY: USA                                      
 #PROJECT: Collection of Marine Geophysical Data
 #CRUISE_NAME: np0507:os38nb  
 #PORTS: Punta Arenas, Chile to Lyttelton, New Zealand
 #GEOGRAPHIC_REGION: Pacific Ocean
 #PROCESSED_BY: University of Hawaii
 #NAVIGATION: GPS                          
 #QUALITY_NAV: good
 #GENERAL_INFORMATION: 
CRUISE NOTES
  CHIEF SCIENTIST ON SHIP     : Joann Stock, Steve Cande
    INSTITUTE                 : California Institute of Technology
    COUNTRY                   : USA
  SIGNIFICANT DATA GAPS       : large gaps
  SPECIAL SHIP TRACK PATTERNS :
  COMMENTS                    : 
This cruise had two ADCPs: NB150 and OS38, the latter interleaved
with broad and narrow band.  As a result, there are 3 data sets
available for this cruise under SACIDs 01042-01044, respectively.
                                
ADCP INSTRUMENTATION
  MANUFACTURER                : RD Instruments (RDI)
  HARDWARE MODEL              : Ocean Surveyer 38
  SERIAL NUMBERS              :
  FIRMWARE VERSION            :
  TRANSMIT FREQUENCY          : 38kHz narrowband
  ACOUSTIC BEAM WIDTH         :
  TRANSDUCER BEAM ANGLE       : 30 degrees
  COMMENTS                    : phased array

ADCP INSTALLATION
  METHOD/DESCRIPTION OF THE
    ATTACHMENT TO THE HULL    :
  LOCATION/DEPTH ON HULL      : nominally at 7m
  REPEATABLE ATTACHMENT       : 
  DATE OF MOST RECENT ATTACH. :
  ACOUSTIC WINDOW             : 
  COMMENTS                    :

ADCP INSTRUMENT CONFIGURATION     
  DEPTH RANGE                 : 47 to 1703m
  BIN LENGTH                  : 24m
  NUMBER OF BINS              : 70
  TRANSMIT PULSE LENGTH       : 24m
  BLANKING INTERVAL           : 24m
  ENSEMBLE AVERAGING INTERVAL : 300 s
  SOUND SPEED CALCULATION     : FUNCTION OF TEMP AT TRANSDUCER
  BOTTOM TRACKING             :
  DIRECT COMMANDS             :
  COMMENTS                    :  original heading alignment: 44.73

ADCP DATA ACQUISITION SYSTEM
  SOFTWARE DEVELOPERS         : E.Firing,J.Hummon
  SOFTWARE VERSIONS           : UHDAS
  DATA LOGGER, MAKE/MODEL     : Linux
  ADCP/LOGGER COMMUNICATION   : 
  CLOCK                       :
  COMMENTS                    : single pings are QC'ed then averaged

SHIP HEADING                      
  INSTRUMENT MAKE/MODEL       : Ratheon Yokogawa Navitec MCM 2300X gyro
  SYNCHRO OR STEPPER          : 
  SYNCHRO RATIO               :
  COMPENSATION APPLIED        :
  GPS ATTITUDE SYSTEM         : YES - Seatex Seapath
    LOCATION OF ANTENNAS      :
    RIGID ATTACHMENT          :  yes
    LOGGING RATE              : 2 Hz
  FLUXGATE COMPASS            : Cetrek Model 930551; one per SATCOM

ANCILLARY MEASUREMENTS            
  SURFACE TEMP AND SALINITY   : thermosalinograph,Chelsea Instruments
  PITCH/ROLL MEASUREMENTS     : yes
  HYDRO CAST MEASUREMENTS     : yes
  BIOMASS DETERMINATION       :
    DATE OF LAST CALIBRATION  :
    CALIBRATION COEFFICIENTS  :
    BEAM-AVERAGED AGC AVAILABLE?: < NO > < YES >
    CALIBRATION NET TOWS?     :   < NO > < YES >
  COMMENTS                    :

ADCP DATA PROCESSING/EDITING
  PERSONNEL IN CHARGE         : J.Hummon
  DATE OF PROCESSING          : 
  ADDED TO NODC DB            : JUL 2005
  NOTABLE SCATTERING LAYERS   :
  COMMENTS                    : sound speed correction 

NAVIGATION
  GPS                         : YES
    MAKE/MODEL                : FURUNO GP500 GPS Sat Nav
    SELECTIVE AVAILABILITY    : 
    P-CODE                    : 
    DIFFERENTIAL              :
    SAMPLE INTERVAL           :
    LOCATION OF ANTENNA
      RELATIVE TO TRANSDUCER  :
    TIME OBTAINED RELATIVE TO
      START/END OF ENSEMBLE   : end
    AVERAGING/EDITING APPLIED : yes
    LOGGED WITH ADCP DATA     : yes
    LOGGED INDEPENDENTLY      : YES
    COMMENTS                  :
  OTHER                       : 

CALIBRATION 
    GYROCOMPASS CORRECTION      : yes, using Seapath
    BOTTOM TRACK METHOD         : yes
    WATER TRACK METHOD          : no
    FINAL SELECTION             : AMPLITUDE=1.005   PHASE= 0.00 
    AGREEMENT WITH PREVIOUS 
      CRUISES                   : OK
    SOUND SPEED CORRECTIONS     : yes
    COMMENTS                    : too few calibratons points, use previous cruise

NAVIGATION CALCULATION             
    NAVIGATION USED             : GPS
    REFERENCE LAYER DEPTH RANGE : bins 2 to 20, PG_min=30
    FILTERING METHOD FOR 
      SMOOTHING REFERENCE LAYER 
      VELOCITY (FORM/WIDTH)     : Blackman window function of width T(half hour): 
        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.) :