Survey Identifier: ELT03
Format Acronym: MGD77
Data Center File Number: 01020003
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19890705
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: UNITED STATES
Platform Name: ELTANIN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): GEORGE R. TONEY
Project: CRUISE 03
Funding: NSF
Survey Departure Date (yyyymmdd): 19620528
Port of Departure: NEW YORK,USA
Survey Arrival Date (yyyymmdd): 19620627
Port of Arrival: VALPARAISO, CHILE
Navigation Instrumentation: SEXTAMT
Geodetic Datum/Position: DEADRECKONING
Bathymetry Instrumentation: PDR 12KHZ WIDEBEAM ONCE PER SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO PROTON PRECESSION
Topmost Latitude of Survey: +19
Bottommost Latitude: -33
Leftmost Longitude: -082
Rightmost Longitude: -070
General Digitizing Rate of Bathymetry: 634
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 183
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: NIGRF
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV. POINTS
Number of Data Records: 1599
Min/Max Data Record:
Date: 1962 05 28
Latitude: -32.68330
Longitude: -81.96670
Bathymetry, 2- Way Traveltime: 001050
Bathymetry, Corrected Depth: 79.0
Magnetics Total Field, 1st Sensor: 261870
Magnetics Residual Field: -02870
Min/Max Data Record:
Date: 1962 06 27
Latitude: +18.86670
Longitude: -70.43330
Bathymetry, 2- Way Traveltime: 105000
Bathymetry, Corrected Depth: 8018.0
Magnetics Total Field, 1st Sensor: 450410
Magnetics Residual Field: +05080