Survey Identifier: I1578


Format Acronym: MGD77
Data Center File Number: 01020065
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870806
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: ELTANIN/ORCADAS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): JOHN LA BREQUE
Project: i1578
Survey Departure Date (yyyymmdd): 19780108
Port of Departure: BUENOS AIRES, ARGENTINA
Survey Arrival Date (yyyymmdd): 19780310
Port of Arrival: BUENOS AIRES, ARGENTINA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE/ DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: -35
Bottommost Latitude: -73
Leftmost Longitude: -057
Rightmost Longitude: -001
General Digitizing Rate of Bathymetry: 69
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 61
Reference Field Code: 78
General Digitizing Rate of Gravity: 145
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 18452

Min/Max Data Record:
Date: 1978 01 18
Latitude: -72.45150
Longitude: -56.52330
Bathymetry, 2- Way Traveltime: 000175
Bathymetry, Corrected Depth: 13.0
Magnetics Total Field, 1st Sensor: 243460
Magnetics Residual Field: -05060
Free-Air Anomaly: -1176

Min/Max Data Record:
Date: 1978 03 10
Latitude: -35.79330
Longitude: -1.69280
Bathymetry, 2- Way Traveltime: 099550
Bathymetry, Corrected Depth: 7528.0
Magnetics Total Field, 1st Sensor: 433170
Magnetics Residual Field: +07350
Free-Air Anomaly: +1906