Survey Identifier: C1804
Format Acronym: MGD77
Data Center File Number: 01010137
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): BRYAN, GEORGE
Project: c1804
Survey Departure Date (yyyymmdd): 19750516
Port of Departure: VALPARISO, CHILE
Survey Arrival Date (yyyymmdd): 19750612
Port of Arrival: BALBOA, 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: -34
Leftmost Longitude: -089
Rightmost Longitude: -071
General Digitizing Rate of Bathymetry: 73
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 61
Reference Field Code: 75
General Digitizing Rate of Gravity: 123
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 10621
Min/Max Data Record:
Date: 1975 05 16
Latitude: -33.51460
Longitude: -88.97640
Bathymetry, 2- Way Traveltime: 000375
Bathymetry, Corrected Depth: 28.0
Magnetics Total Field, 1st Sensor: 253590
Magnetics Residual Field: -05410
Free-Air Anomaly: -1886
Min/Max Data Record:
Date: 1975 06 12
Latitude: +8.84670
Longitude: -71.69170
Bathymetry, 2- Way Traveltime: 082775
Bathymetry, Corrected Depth: 6265.0
Magnetics Total Field, 1st Sensor: 366880
Magnetics Residual Field: +04590
Free-Air Anomaly: +1064