Survey Identifier: ELT22
Format Acronym: MGD77
Data Center File Number: 01020022
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 022
Funding: NSF
Survey Departure Date (yyyymmdd): 19650119
Port of Departure: PUNTA ARENAS, CHILE
Survey Arrival Date (yyyymmdd): 19660317
Port of Arrival: PUNTA ARENAS, 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, STREAMER
Topmost Latitude of Survey: -50
Bottommost Latitude: -64
Leftmost Longitude: -071
Rightmost Longitude: -014
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: 12035
Min/Max Data Record:
Date: 1966 01 19
Latitude: -63.43330
Longitude: -70.88330
Bathymetry, 2- Way Traveltime: 000175
Bathymetry, Corrected Depth: 13.0
Magnetics Total Field, 1st Sensor: 296330
Magnetics Residual Field: -06010
Min/Max Data Record:
Date: 1966 03 17
Latitude: -50.71670
Longitude: -14.48330
Bathymetry, 2- Way Traveltime: 104475
Bathymetry, Corrected Depth: 7919.0
Magnetics Total Field, 1st Sensor: 382290
Magnetics Residual Field: +09350