Survey Identifier: V3301
Format Acronym: MGD77
Data Center File Number: 01030197
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): JEFFARY WIESSEL,GEORGE CARPENTER
Project: CRUISE 33, LEG 01
Funding: NSF DES 75-20437
Survey Departure Date (yyyymmdd): 19751117
Port of Departure: MELBOURNE, AUSTRALIA
Survey Arrival Date (yyyymmdd): 19751216
Port of Arrival: ADELAIDE, AUSTRALIA
Navigation Instrumentation: SATELLITE
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-IN-AIRGUN, EEL,DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: -34
Bottommost Latitude: -57
Leftmost Longitude: +126
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: IGRF1965
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 - 3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 6774
Min/Max Data Record:
Date: 1975 11 17
Latitude: -56.32620
Longitude: +126.89030
Bathymetry, 2- Way Traveltime: 000425
Bathymetry, Corrected Depth: 32.0
Magnetics Total Field, 1st Sensor: 598860
Magnetics Residual Field: -10260
Free-Air Anomaly: -0647
Min/Max Data Record:
Date: 1975 12 16
Latitude: -34.92350
Longitude: +144.58000
Bathymetry, 2- Way Traveltime: 076150
Bathymetry, Corrected Depth: 5746.0
Magnetics Total Field, 1st Sensor: 677890
Magnetics Residual Field: +08690
Free-Air Anomaly: +0580