Survey Identifier: ELT23
Format Acronym: MGD77
Data Center File Number: 01020023
Parameters Surveyed Code: 55113
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): LAWERENCE OBLINGER
Project: CRUISE 023
Funding: NSF
Survey Departure Date (yyyymmdd): 19660301
Port of Departure: PUNTA ARENAS, CHILE
Survey Arrival Date (yyyymmdd): 19660528
Port of Arrival: AUCKLAND, NEW ZEALAND
Navigation Instrumentation: SATELLITE AND SEXTANT
Geodetic Datum/Position: SATELLITE AND DEADRECKONING
Bathymetry Instrumentation: SEE ADDITIONAL DOCUMENTATION SEQ-18-178
Additional Forms of Bathymetric Data: ANALOG DATA
Magnetics Instrumentation: VARIAN PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG DATA
Seismic Instrumentation: RAYFLEX SEISMIC SYSTEM, STRIP RECORDER
Formats of Seismic Data: 10 KILOJOULES, SPARKER, STREAMER
Topmost Latitude of Survey: -36
Bottommost Latitude: -65
Leftmost Longitude: +176
Rightmost Longitude: -070
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 INERPOLATION BETWEEN NAVIGATION POINTS
Additional Documentation: PDR 12KHZ WIDEBEAM 60 DEGREE ONCE PER SECOND SWEEP
Number of Data Records: 17804
Min/Max Data Record:
Date: 1966 04 01
Latitude: -65.00000
Longitude: -180.00000
Bathymetry, 2- Way Traveltime: 000500
Bathymetry, Corrected Depth: 38.0
Magnetics Total Field, 1st Sensor: 374320
Magnetics Residual Field: -07280
Min/Max Data Record:
Date: 1966 05 29
Latitude: -36.70000
Longitude: +179.99560
Bathymetry, 2- Way Traveltime: 074575
Bathymetry, Corrected Depth: 5620.0
Magnetics Total Field, 1st Sensor: 579520
Magnetics Residual Field: +09050