Survey Identifier: V2008
Format Acronym: MGD77
Data Center File Number: 01030057
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): M. LANGSETH
Project: CRUISE 20, LEG 8
Survey Departure Date (yyyymmdd): 19640730
Port of Departure: TOKYO, JAPAN
Survey Arrival Date (yyyymmdd): 19640820
Port of Arrival: DARWIN, AUSTRALIA
Navigation Instrumentation: SEXTANT
Geodetic Datum/Position: DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD. DOC./18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG. PROTON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: GRAF-ASKANIA GSS2-12
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU.IN.AIRGUN, EEL,DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +35
Bottommost Latitude: -13
Leftmost Longitude: +126
Rightmost Longitude: +143
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 060
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV. PTS.
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 - 12 KHZ, WIDE BEAM (60 DEG),1 SECOND SWEEP
Number of Data Records: 3432
Min/Max Data Record:
Date: 1964 07 30
Latitude: -12.25000
Longitude: +126.66670
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 371460
Magnetics Residual Field: -03520
Free-Air Anomaly: -3193
Min/Max Data Record:
Date: 1964 08 19
Latitude: +34.84670
Longitude: +142.76670
Bathymetry, 2- Way Traveltime: 122125
Bathymetry, Corrected Depth: 9412.0
Magnetics Total Field, 1st Sensor: 462440
Magnetics Residual Field: +04250
Free-Air Anomaly: +2281