Survey Identifier: ELT29
Format Acronym: MGD77
Data Center File Number: 01020029
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): LARRY NEUMAN
Project: CRUISE 29
Funding: NSF
Survey Departure Date (yyyymmdd): 19670602
Port of Departure: VALPARAISO, CHILE
Survey Arrival Date (yyyymmdd): 19670801
Port of Arrival: BRISBANE, 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: -26
Bottommost Latitude: -33
Leftmost Longitude: +153
Rightmost Longitude: -071
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: 150
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: 9794308
Departure Base Station Description: VALPARAISO, CHILE
Arrival Base Station Gravity: 971698
Arrival Base Station Description: BRISBANE, AUSTRALIA
Number of Data Records: 14160
Min/Max Data Record:
Date: 1967 06 02
Latitude: -33.02170
Longitude: -179.98480
Bathymetry, 2- Way Traveltime: 000275
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 261150
Magnetics Residual Field: -07290
Free-Air Anomaly: -2313
Min/Max Data Record:
Date: 1967 08 01
Latitude: -26.82170
Longitude: +179.99550
Bathymetry, 2- Way Traveltime: 126200
Bathymetry, Corrected Depth: 9737.0
Magnetics Total Field, 1st Sensor: 547880
Magnetics Residual Field: +05480
Free-Air Anomaly: +2600