Survey Identifier: I1678


Format Acronym: MGD77
Data Center File Number: 01020066
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): DANIEL GEORGI, D. WOODRUFF
Project: i1678
Survey Departure Date (yyyymmdd): 19780407
Port of Departure: BUENOS AIRES, ARGENTINA
Survey Arrival Date (yyyymmdd): 19780526
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: -62
Leftmost Longitude: -056
Rightmost Longitude: -013
General Digitizing Rate of Bathymetry: 70
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 48
Reference Field Code: 78
General Digitizing Rate of Gravity: 158
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 20930

Min/Max Data Record:
Date: 1978 04 07
Latitude: -61.10910
Longitude: -55.48330
Bathymetry, 2- Way Traveltime: 000375
Bathymetry, Corrected Depth: 28.0
Magnetics Total Field, 1st Sensor: 242490
Magnetics Residual Field: -06820
Free-Air Anomaly: -2790

Min/Max Data Record:
Date: 1978 05 26
Latitude: -35.60000
Longitude: -13.00680
Bathymetry, 2- Way Traveltime: 104950
Bathymetry, Corrected Depth: 7956.0
Magnetics Total Field, 1st Sensor: 342450
Magnetics Residual Field: +03510
Free-Air Anomaly: +1764