Survey Identifier: ELT10
Format Acronym: MGD77
Data Center File Number: 01020010
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): ROBERT W. NASON
Project: CRUISE10
Funding: NSF
Survey Departure Date (yyyymmdd): 19631007
Port of Departure: VALPARAISO CHILE
Survey Arrival Date (yyyymmdd): 19631206
Port of Arrival: VALPARAISO CHILE
Navigation Instrumentation: SEXTANT
Geodetic Datum/Position: DEAD RECKONING
Bathymetry Instrumentation: PDR12KHZ WIDEBEAM ONCE PER SEC.SWEEP
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO PROTON PRECESSION
Topmost Latitude of Survey: -33
Bottommost Latitude: -67
Leftmost Longitude: -084
Rightmost Longitude: -071
General Digitizing Rate of Bathymetry: 63
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 150
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: 13724
Min/Max Data Record:
Date: 1963 10 07
Latitude: -66.13170
Longitude: -83.40000
Bathymetry, 2- Way Traveltime: 001200
Bathymetry, Corrected Depth: 90.0
Magnetics Total Field, 1st Sensor: 274420
Magnetics Residual Field: -10750
Min/Max Data Record:
Date: 1963 12 06
Latitude: -33.07500
Longitude: -71.78330
Bathymetry, 2- Way Traveltime: 106475
Bathymetry, Corrected Depth: 8100.0
Magnetics Total Field, 1st Sensor: 482210
Magnetics Residual Field: +05150