Survey Identifier: ELT06


Format Acronym: MGD77
Data Center File Number: 01020006
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 A. LLANO
Project: CRUISE06
Funding: NSF
Survey Departure Date (yyyymmdd): 19621124
Port of Departure: VALPARAISO CHILE
Survey Arrival Date (yyyymmdd): 19630123
Port of Arrival: PUNTA ARENAS 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: -65
Leftmost Longitude: -077
Rightmost Longitude: -055
General Digitizing Rate of Bathymetry: 53
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: 16674

Min/Max Data Record:
Date: 1962 11 24
Latitude: -64.28330
Longitude: -76.05830
Bathymetry, 2- Way Traveltime: 000075
Bathymetry, Corrected Depth: 6.0
Magnetics Total Field, 1st Sensor: 280030
Magnetics Residual Field: -07300

Min/Max Data Record:
Date: 1963 01 23
Latitude: -33.00000
Longitude: -55.21670
Bathymetry, 2- Way Traveltime: 079375
Bathymetry, Corrected Depth: 5969.0
Magnetics Total Field, 1st Sensor: 430720
Magnetics Residual Field: +11260