Survey Identifier: V3602
Format Acronym: MGD77
Data Center File Number: 01030233
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): ANTHONY B. WATTS
Project: CRUISE 36 LEG 2
Funding: NSF OCE 77-25993
Survey Departure Date (yyyymmdd): 19790814
Port of Departure: AUCKLAND, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19790909
Port of Arrival: SUVA,FIJI ISLANDS
Navigation Instrumentation: SEXTANT AND SATELLITE
Geodetic Datum/Position: SATELLITE/DEAD RECKONING
Bathymetry Instrumentation: 06-3.5 AND 12KHZ,WIDE BEAM(60 DEG)
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 GSS2-31
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: -18
Bottommost Latitude: -47
Leftmost Longitude: +175
Rightmost Longitude: -160
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: 04
Reference Field: IGRF-75
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV POINTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 0
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Number of Data Records: 8371
Min/Max Data Record:
Date: 1979 08 14
Latitude: -46.44050
Longitude: -179.99990
Bathymetry, 2- Way Traveltime: 000675
Bathymetry, Corrected Depth: 51.0
Magnetics Total Field, 1st Sensor: 435760
Magnetics Residual Field: -08910
Free-Air Anomaly: -2348
Min/Max Data Record:
Date: 1979 09 09
Latitude: -18.25680
Longitude: +179.99770
Bathymetry, 2- Way Traveltime: 114775
Bathymetry, Corrected Depth: 8811.0
Magnetics Total Field, 1st Sensor: 557630
Magnetics Residual Field: +17090
Free-Air Anomaly: +2437