Survey Identifier: 84000111
Format Acronym: MGD77
Data Center File Number: 67010132
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): BOUGAULT H
Project: HYDROAMSTERDAM
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19840224
Survey Arrival Date (yyyymmdd): 19840328
Geodetic Datum/Position: SATELITE ESTIME
Bathymetry Instrumentation: VERTICAL SEABEAM
Topmost Latitude of Survey: -20
Bottommost Latitude: -41
Leftmost Longitude: +055
Rightmost Longitude: +080
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: 41546
Min/Max Data Record:
Date: 1984 02 24
Latitude: -40.63619
Longitude: +55.11517
Bathymetry, Corrected Depth: 245.0
Magnetics Total Field, 1st Sensor: 349740
Magnetics Residual Field: -12135
Observed Gravity: 9786835
Free-Air Anomaly: -0662
Min/Max Data Record:
Date: 1984 03 28
Latitude: -20.80828
Longitude: +79.50628
Bathymetry, Corrected Depth: 5547.0
Magnetics Total Field, 1st Sensor: 518060
Magnetics Residual Field: +21882
Observed Gravity: 9803016
Free-Air Anomaly: +2441