Survey Identifier: 83004711
Format Acronym: MGD77
Data Center File Number: 67010125
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 1920 386
Source Institution: IFREMER
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): OLIVET JL
Project: NORESTLANTE II
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19831024
Survey Arrival Date (yyyymmdd): 19831112
Geodetic Datum/Position: SATELITE ESTIME
Bathymetry Instrumentation: VERTICAL SEABEAM
Topmost Latitude of Survey: +48
Bottommost Latitude: +35
Leftmost Longitude: -018
Rightmost Longitude: +006
General Digitizing Rate of Bathymetry: 11
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 11
Sensor Depth: 00100
Method of Applying Residual Field: INTERPOLATION BETWEEN NAVIGATION DATA
General Digitizing Rate of Gravity: 11
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL 30
Number of Data Records: 23255
Min/Max Data Record:
Date: 1983 10 24
Latitude: +35.89713
Longitude: -17.63655
Bathymetry, Corrected Depth: 84.0
Magnetics Total Field, 1st Sensor: 422120
Magnetics Residual Field: -05003
Observed Gravity: 9796161
Free-Air Anomaly: -1415
Min/Max Data Record:
Date: 1983 11 12
Latitude: +47.50394
Longitude: +5.82846
Bathymetry, Corrected Depth: 5667.0
Magnetics Total Field, 1st Sensor: 468560
Magnetics Residual Field: +07963
Observed Gravity: 9809589
Free-Air Anomaly: +3241