Survey Identifier: ELT07
Format Acronym: MGD77
Data Center File Number: 01020007
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: CRUISE07
Funding: NSF
Survey Departure Date (yyyymmdd): 19630204
Port of Departure: PUNTA ARENAS CHILE
Survey Arrival Date (yyyymmdd): 19630318
Port of Arrival: MONTEVIDEO URAGUAY
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: -35
Bottommost Latitude: -67
Leftmost Longitude: -073
Rightmost Longitude: -040
General Digitizing Rate of Bathymetry: 69
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: 9408
Min/Max Data Record:
Date: 1963 02 04
Latitude: -66.62500
Longitude: -72.05000
Bathymetry, 2- Way Traveltime: 000225
Bathymetry, Corrected Depth: 17.0
Magnetics Total Field, 1st Sensor: 255630
Magnetics Residual Field: -04080
Min/Max Data Record:
Date: 1963 03 18
Latitude: -35.08330
Longitude: -40.61670
Bathymetry, 2- Way Traveltime: 088475
Bathymetry, Corrected Depth: 6652.0
Magnetics Total Field, 1st Sensor: 418960
Magnetics Residual Field: +10090