Survey Identifier: C2108


Format Acronym: MGD77
Data Center File Number: 01010183
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19870803
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: United States
Platform Name: R/V CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CANDE, STEVEN
Project: C2108
Survey Departure Date (yyyymmdd): 19780510
Port of Departure: VALPARAISO, CHILE
Survey Arrival Date (yyyymmdd): 19780519
Port of Arrival: CRISTOBAL, PANAMA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: +09
Bottommost Latitude: -33
Leftmost Longitude: -082
Rightmost Longitude: -071
General Digitizing Rate of Bathymetry: 50
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 50
Reference Field Code: 78
General Digitizing Rate of Gravity: 11
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 3180

Min/Max Data Record:
Date: 1978 05 10
Latitude: -32.83833
Longitude: -81.68202
Bathymetry, 2- Way Traveltime: 001276
Bathymetry, Corrected Depth: 96.0
Magnetics Total Field, 1st Sensor: 257760
Magnetics Residual Field: -04474
Observed Gravity: 9779242
Free-Air Anomaly: -1732

Min/Max Data Record:
Date: 1978 05 19
Latitude: +8.05833
Longitude: -71.69999
Bathymetry, 2- Way Traveltime: 083451
Bathymetry, Corrected Depth: 6323.0
Magnetics Total Field, 1st Sensor: 364710
Magnetics Residual Field: +03844
Observed Gravity: 9794977
Free-Air Anomaly: +0947