Survey Identifier: MW8701
Format Acronym: MGD77
Data Center File Number: 08020035
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19900502
Source Institution: HAWAII INST. OF GEOPHYSICS/CCOP-SOPAC
Country: INTERNATIONAL
Platform Name: R/V MOANA WAVE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LOREN KROENKE/DICK PRICE
Project: MW8701. NORTH FIJI BASIN SURVEY.
Funding: U.S. STATE DEPT.
Survey Departure Date (yyyymmdd): 19870112
Port of Departure: SUVA, FIJI
Survey Arrival Date (yyyymmdd): 19870203
Port of Arrival: PAGO PAGO, AMERICAN SAMOA
Navigation Instrumentation: GPS,SATNAV
Geodetic Datum/Position: PRIM=GPS, SEC=SATNAV
Bathymetry Instrumentation: 3.5 KHZ 30 DEGREE BEAM, 1 SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG, DIGITAL, MICROFILM
Magnetics Instrumentation: GEOMETRICS G 801-3
Additional Forms of Magnetics Data: ANALOG, DIGITAL
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, DIGITAL
Seismic Instrumentation: 40, 120 CU-IN AIRGUNS, WATERGUN
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: -12
Bottommost Latitude: -19
Leftmost Longitude: +173
Rightmost Longitude: -170
General Digitizing Rate of Bathymetry: 015
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE(PICKED PEAKS/TROUGHS OR 15 MIN INTERVALS IF SMOOTH)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 20
Magnetic Sensor Tow Distance: 0000
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 12
Reference Field: IGRF-1985
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 30
Theoretical Gravity Formula Code: 8
Theoretical Gravity Formula: IAG SYSTEM 1974
Reference System Code: 3
Reference System: IGSN 71
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 9789237
Departure Base Station Description: HONOLULU PIER 45
Arrival Base Station Gravity: 9789237
Arrival Base Station Description: HONOLULU PIER 45
Additional Documentation: DATA TAKEN ON BOARD: BMG. SEISMIC, SEAMARC SIDESCAN SONAR, XBT. STATIONS: RD,1-13. HC,1-9. PC,1-1. FFC,1-12.
Number of Data Records: 50285
Min/Max Data Record:
Date: 1987 01 12
Latitude: -18.62798
Longitude: -179.99910
Bathymetry, 2- Way Traveltime: 002580
Bathymetry, Corrected Depth: 193.0
Magnetics Total Field, 1st Sensor: 405660
Magnetics Residual Field: -08390
Observed Gravity: 9782256
Free-Air Anomaly: -1704
Min/Max Data Record:
Date: 1987 02 03
Latitude: -12.97028
Longitude: +179.99924
Bathymetry, 2- Way Traveltime: 076230
Bathymetry, Corrected Depth: 5761.0
Magnetics Total Field, 1st Sensor: 445580
Magnetics Residual Field: +08283
Observed Gravity: 9786660
Free-Air Anomaly: +3181