Survey Identifier: C2104


Format Acronym: MGD77
Data Center File Number: 01010179
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870803
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DIEBOLD, JOHN
Project: c2104
Survey Departure Date (yyyymmdd): 19771217
Port of Departure: BRIDGETON, BARBADOS
Survey Arrival Date (yyyymmdd): 19780116
Port of Arrival: RIO DE JANEIRO, BRAZIL
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: +14
Bottommost Latitude: -24
Leftmost Longitude: -060
Rightmost Longitude: -033
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: 74
Reference Field Code: 78
General Digitizing Rate of Gravity: 139
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 7512

Min/Max Data Record:
Date: 1977 12 17
Latitude: -23.07330
Longitude: -59.42500
Bathymetry, 2- Way Traveltime: 000275
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 280350
Magnetics Residual Field: -04900
Free-Air Anomaly: -1276

Min/Max Data Record:
Date: 1978 01 16
Latitude: +13.00170
Longitude: -33.84400
Bathymetry, 2- Way Traveltime: 071400
Bathymetry, Corrected Depth: 5398.0
Magnetics Total Field, 1st Sensor: 370870
Magnetics Residual Field: +01390
Free-Air Anomaly: +1084