Survey Identifier: ELT35


Format Acronym: MGD77
Data Center File Number: 01020035
Parameters Surveyed Code: 55513
File Creation Date (yyyymmdd): 19890705
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ELTANIN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): STEVEN LIEBER
Project: CRUISE 035
Funding: NSF
Survey Departure Date (yyyymmdd): 19680812
Port of Departure: ADELAIDE, AUSTRALIA
Survey Arrival Date (yyyymmdd): 19681006
Port of Arrival: ADELAIDE, AUSTRALIA
Navigation Instrumentation: SATELLITE AND DEADRECKONING
Geodetic Datum/Position: SATELLITE AND DEADRECKONING
Bathymetry Instrumentation: PDR 12KHZ WIDEBEAM 60 DEGREE 1/SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG DATA
Magnetics Instrumentation: VARIAN PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG DATA
Gravity Instrumentation: GRAF-ASKANIA GSS-2-25
Additional Forms of Gravity Data: ANALOG DATA
Seismic Instrumentation: L-DGO 26.3CU IN AIRGUN,STREAMER,DRUM REC
Formats of Seismic Data: TWO-2CHANNELS, SHEET RECORDS
Topmost Latitude of Survey: -33
Bottommost Latitude: -61
Leftmost Longitude: +116
Rightmost Longitude: +139
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-1965
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAVIGATION POINTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Departure Base Station Gravity: 9797187
Departure Base Station Description: ADELAIDE, AUSTRALIA
Arrival Base Station Gravity: 9797187
Arrival Base Station Description: ADELAIDE, AUSTRALIA
Number of Data Records: 18301

Min/Max Data Record:
Date: 1968 08 12
Latitude: -60.05250
Longitude: +116.30250
Bathymetry, 2- Way Traveltime: 000325
Bathymetry, Corrected Depth: 24.0
Magnetics Total Field, 1st Sensor: 594300
Magnetics Residual Field: -08660
Free-Air Anomaly: -0925

Min/Max Data Record:
Date: 1968 10 06
Latitude: -33.24460
Longitude: +138.44000
Bathymetry, 2- Way Traveltime: 077800
Bathymetry, Corrected Depth: 5876.0
Magnetics Total Field, 1st Sensor: 681600
Magnetics Residual Field: +10620
Free-Air Anomaly: +0638