Survey Identifier: MW8602


Format Acronym: MGD77
Data Center File Number: 08020034
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19900502
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V MOANA WAVE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): KEATING/BOLTON
Project: MW8602. CCOP/SOPAC MANGANESE CRUISE SOUTHPAC 1986.
Funding: U.S. AID
Survey Departure Date (yyyymmdd): 19860217
Port of Departure: POHNPEI,FED.STATES OF MICRONESIA
Survey Arrival Date (yyyymmdd): 19860315
Port of Arrival: PIER 45, HONOLULU, HAWAII
Navigation Instrumentation: GPS,SATNAV,RADAR,SEXTANT
Geodetic Datum/Position: PRIM=GPS, SEC=SATNAV, 3RD=RADAR
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: 120 CUBIC INCH AIRGUNS
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: +22
Bottommost Latitude: -08
Leftmost Longitude: +158
Rightmost Longitude: -157
General Digitizing Rate of Bathymetry: 025
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: 04
Reference Field: IGRF-1975
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN 71
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 9789243
Departure Base Station Description: HONOLULU PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU PIER 45
Additional Documentation: DATA TAKEN ON BOARD:BMG. XBT'S, SAIL, ADCP. HI,LO, AND MIX REFLECTION, RECORDS, SONOBUOYS, 12 KHZ FOR BOTTOM CAMERA ONLY. MANGANESE CRUST AND NODULE SAMPLING CRUISE; POTENTIAL ECONOMIC DEVELOPMENT OF KIRIBATI.
Number of Data Records: 50606

Min/Max Data Record:
Date: 1986 02 17
Latitude: -7.49913
Longitude: -179.99960
Bathymetry, 2- Way Traveltime: 000060
Bathymetry, Corrected Depth: 5.0
Magnetics Total Field, 1st Sensor: 326430
Magnetics Residual Field: -08862
Observed Gravity: 9779685
Free-Air Anomaly: -0898

Min/Max Data Record:
Date: 1986 03 15
Latitude: +21.31563
Longitude: +179.99813
Bathymetry, 2- Way Traveltime: 087020
Bathymetry, Corrected Depth: 6605.0
Magnetics Total Field, 1st Sensor: 377990
Magnetics Residual Field: +03248
Observed Gravity: 9789359
Free-Air Anomaly: +2451