Survey Identifier: C1604
Format Acronym: MGD77
Data Center File Number: 01010110
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): LARSON, ROGER
Project: c1604
Survey Departure Date (yyyymmdd): 19721118
Port of Departure: RECIFE,BRAZIL
Survey Arrival Date (yyyymmdd): 19721216
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: -08
Bottommost Latitude: -21
Leftmost Longitude: -037
Rightmost Longitude: -012
General Digitizing Rate of Bathymetry: 74
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 63
Reference Field Code: 72
General Digitizing Rate of Gravity: 196
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 9835
Min/Max Data Record:
Date: 1972 11 18
Latitude: -20.73170
Longitude: -36.28330
Bathymetry, 2- Way Traveltime: 003750
Bathymetry, Corrected Depth: 286.0
Magnetics Total Field, 1st Sensor: 242760
Magnetics Residual Field: -06770
Free-Air Anomaly: -0553
Min/Max Data Record:
Date: 1972 12 16
Latitude: -8.21000
Longitude: -12.39320
Bathymetry, 2- Way Traveltime: 078825
Bathymetry, Corrected Depth: 5964.0
Magnetics Total Field, 1st Sensor: 281160
Magnetics Residual Field: +03790
Free-Air Anomaly: +0657