Survey Identifier: C1802


Format Acronym: MGD77
Data Center File Number: 01010135
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870730
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): PITMAN, WALTER , HERRON, ELLEN
Project: c1802
Survey Departure Date (yyyymmdd): 19750315
Port of Departure: USHUAIA, ARGENTINE
Survey Arrival Date (yyyymmdd): 19750410
Port of Arrival: PUERTO MONTT, CHILE
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: -43
Bottommost Latitude: -60
Leftmost Longitude: -080
Rightmost Longitude: -066
General Digitizing Rate of Bathymetry: 65
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 56
Reference Field Code: 75
General Digitizing Rate of Gravity: 127
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 11719

Min/Max Data Record:
Date: 1975 03 15
Latitude: -59.96590
Longitude: -79.63720
Bathymetry, 2- Way Traveltime: 000625
Bathymetry, Corrected Depth: 47.0
Magnetics Total Field, 1st Sensor: 303380
Magnetics Residual Field: -08590
Free-Air Anomaly: -1196

Min/Max Data Record:
Date: 1975 04 10
Latitude: -43.67700
Longitude: -66.20430
Bathymetry, 2- Way Traveltime: 066150
Bathymetry, Corrected Depth: 4948.0
Magnetics Total Field, 1st Sensor: 403820
Magnetics Residual Field: +11200
Free-Air Anomaly: +1324