Survey Identifier: ELT17
Format Acronym: MGD77
Data Center File Number: 01020017
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): ROBERT LEYDEN
Project: CRUISE 017
Funding: NSF
Survey Departure Date (yyyymmdd): 19650312
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19650513
Port of Arrival: VALPARAISO, CHILE
Navigation Instrumentation: SEXTANT
Geodetic Datum/Position: 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: -33
Bottommost Latitude: -69
Leftmost Longitude: +174
Rightmost Longitude: -071
General Digitizing Rate of Bathymetry: 57
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: 15193
Min/Max Data Record:
Date: 1965 03 12
Latitude: -68.95000
Longitude: -179.94640
Bathymetry, 2- Way Traveltime: 000675
Bathymetry, Corrected Depth: 51.0
Magnetics Total Field, 1st Sensor: 272230
Magnetics Residual Field: -09450
Min/Max Data Record:
Date: 1965 05 13
Latitude: -33.00000
Longitude: +179.99220
Bathymetry, 2- Way Traveltime: 081100
Bathymetry, Corrected Depth: 6111.0
Magnetics Total Field, 1st Sensor: 608880
Magnetics Residual Field: +12710