Survey Identifier: ELT19
Format Acronym: MGD77
Data Center File Number: 01020019
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: eel19
Funding: NSF
Survey Departure Date (yyyymmdd): 19650706
Port of Departure: TALCHUANO, CHILE
Survey Arrival Date (yyyymmdd): 19650903
Port of Arrival: AUCKLAND, NEW ZEALAND
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: -36
Bottommost Latitude: -63
Leftmost Longitude: +176
Rightmost Longitude: -073
General Digitizing Rate of Bathymetry: 45
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 46
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: 18016
Min/Max Data Record:
Date: 1965 07 06
Latitude: -62.25000
Longitude: -179.99250
Bathymetry, 2- Way Traveltime: 001175
Bathymetry, Corrected Depth: 88.0
Magnetics Total Field, 1st Sensor: 303510
Magnetics Residual Field: -10960
Min/Max Data Record:
Date: 1965 09 03
Latitude: -36.28330
Longitude: +179.98450
Bathymetry, 2- Way Traveltime: 077300
Bathymetry, Corrected Depth: 5834.0
Magnetics Total Field, 1st Sensor: 605070
Magnetics Residual Field: +09830