Survey Identifier: ELT24
Format Acronym: MGD77
Data Center File Number: 01020024
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): GEORGE CARPENTER
Project: CRUISE 024
Funding: NSF
Survey Departure Date (yyyymmdd): 19660709
Port of Departure: AUCKLAND, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19660917
Port of Arrival: TALCAHAUNO-VALPARAISO, CHILE
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: -35
Bottommost Latitude: -46
Leftmost Longitude: +175
Rightmost Longitude: -073
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 INERPOLATION BETWEEN NAVIGATION POINTS
Additional Documentation: PDR 12KHZ WIDEBEAM 60 DEGREE ONCE PER SECOND SWEEP
Number of Data Records: 22477
Min/Max Data Record:
Date: 1966 07 09
Latitude: -45.30000
Longitude: -179.99500
Bathymetry, 2- Way Traveltime: 000425
Bathymetry, Corrected Depth: 32.0
Magnetics Total Field, 1st Sensor: 282800
Magnetics Residual Field: -06920
Min/Max Data Record:
Date: 1966 09 09
Latitude: -35.01670
Longitude: +179.99580
Bathymetry, 2- Way Traveltime: 079025
Bathymetry, Corrected Depth: 5968.0
Magnetics Total Field, 1st Sensor: 548770
Magnetics Residual Field: +10820