Survey Identifier: V3601
Format Acronym: MGD77
Data Center File Number: 01030232
Parameters Surveyed Code: 55133
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): ROGER LARSON
Project: CRUISE 36 LEG 1
Funding: NSF OCE 77-25993
Survey Departure Date (yyyymmdd): 19790704
Port of Departure: SUVA FIJI
Survey Arrival Date (yyyymmdd): 19790804
Port of Arrival: AUCKLAND,NEW ZEALAND
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
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: -51
Leftmost Longitude: +176
Rightmost Longitude: -141
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
Number of Data Records: 6665
Min/Max Data Record:
Date: 1979 07 04
Latitude: -50.51000
Longitude: -179.99330
Bathymetry, 2- Way Traveltime: 003625
Bathymetry, Corrected Depth: 276.0
Magnetics Total Field, 1st Sensor: 433300
Magnetics Residual Field: -09560
Min/Max Data Record:
Date: 1979 08 04
Latitude: -18.15030
Longitude: +179.99960
Bathymetry, 2- Way Traveltime: 140000
Bathymetry, Corrected Depth: 10871.0
Magnetics Total Field, 1st Sensor: 549730
Magnetics Residual Field: +05580