Survey Identifier: V3303


Format Acronym: MGD77
Data Center File Number: 01030199
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MANIK TLWANI, AND ROBERT HOUTZ
Project: CRUISEV33, LEG03
Funding: NSF OCE 75-20438
Survey Departure Date (yyyymmdd): 19760120
Port of Departure: FREMANTLE, AUSTRALIA
Survey Arrival Date (yyyymmdd): 19760219
Port of Arrival: MELBOURNE, AUSTRALIA
Navigation Instrumentation: SATELLITE/ SEXTANT
Geodetic Datum/Position: SATELLITE/ 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-IW-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO,2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: -31
Bottommost Latitude: -40
Leftmost Longitude: +114
Rightmost Longitude: +145
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 TWO PTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 7777

Min/Max Data Record:
Date: 1976 01 20
Latitude: -39.26390
Longitude: +114.30710
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 585900
Magnetics Residual Field: -09830
Free-Air Anomaly: -0950

Min/Max Data Record:
Date: 1976 02 19
Latitude: -31.87510
Longitude: +144.59330
Bathymetry, 2- Way Traveltime: 079200
Bathymetry, Corrected Depth: 5990.0
Magnetics Total Field, 1st Sensor: 625250
Magnetics Residual Field: +18940
Free-Air Anomaly: +0533