Survey Identifier: ELT37
Format Acronym: MGD77
Data Center File Number: 01020037
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): ROBIN FALCONER
Project: CRUISE 037
Funding: NSF
Survey Departure Date (yyyymmdd): 19690110
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19690302
Port of Arrival: MELBOURNE, 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: -39
Bottommost Latitude: -67
Leftmost Longitude: +120
Rightmost Longitude: +175
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: 040
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: 9792660
Departure Base Station Description: WELLINGTON, NEW ZEALAND
Arrival Base Station Gravity: 9797900
Arrival Base Station Description: MELBOURNE, AUSTRALIA
Number of Data Records: 18755
Min/Max Data Record:
Date: 1969 01 10
Latitude: -66.32630
Longitude: +120.03430
Bathymetry, 2- Way Traveltime: 000875
Bathymetry, Corrected Depth: 66.0
Magnetics Total Field, 1st Sensor: 578900
Magnetics Residual Field: -07480
Free-Air Anomaly: -1724
Min/Max Data Record:
Date: 1969 03 02
Latitude: -39.01670
Longitude: +174.71070
Bathymetry, 2- Way Traveltime: 084850
Bathymetry, Corrected Depth: 6396.0
Magnetics Total Field, 1st Sensor: 684890
Magnetics Residual Field: +12650
Free-Air Anomaly: +2096