Survey Identifier: MW8611
Format Acronym: MGD77
Data Center File Number: 08020046
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19901206
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): FRED DUENNEBIER
Project: MW8611. LOIHI 86.
Funding: HIG
Survey Departure Date (yyyymmdd): 19861031
Port of Departure: HONOLULU PIER 45
Survey Arrival Date (yyyymmdd): 19861102
Port of Arrival: HONOLULU PIER 45
Navigation Instrumentation: TRISPONDER,SATELLITE-FIX,GPS
Geodetic Datum/Position: PRIM=TRISPONDER,SEC=SAT-FIX
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: OBS
Formats of Seismic Data: ANALOG,MICROFILM
Topmost Latitude of Survey: +22
Bottommost Latitude: +18
Leftmost Longitude: -158
Rightmost Longitude: -155
General Digitizing Rate of Bathymetry: 010
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: 10
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. SEISMICS, SEAMARC II SIDESCAN.
Number of Data Records: 6789
Min/Max Data Record:
Date: 1986 10 31
Latitude: +18.70477
Longitude: -157.70905
Bathymetry, 2- Way Traveltime: 001380
Bathymetry, Corrected Depth: 103.0
Magnetics Total Field, 1st Sensor: 337960
Magnetics Residual Field: -14650
Observed Gravity: 9785065
Free-Air Anomaly: -1009
Min/Max Data Record:
Date: 1986 11 02
Latitude: +21.12287
Longitude: -155.05237
Bathymetry, 2- Way Traveltime: 068620
Bathymetry, Corrected Depth: 5168.0
Magnetics Total Field, 1st Sensor: 372020
Magnetics Residual Field: +19790
Observed Gravity: 9789229
Free-Air Anomaly: +2603