Survey Identifier: 77005113
Format Acronym: MGD77
Data Center File Number: 67010083
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19830930
Source Institution: CNEXO
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): H.D. NEEDHAM
Project: VEMA - CH79
Funding: CNEXO
Survey Departure Date (yyyymmdd): 19771109
Port of Departure: FORT-DE-FRANCE
Survey Arrival Date (yyyymmdd): 19771129
Port of Arrival: DAKAR
Navigation Instrumentation: SAT I.T.T.
Geodetic Datum/Position: DEAD RECKONING BASED ON SAT FIXES
Bathymetry Instrumentation: SEA-BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS
Topmost Latitude of Survey: +15
Bottommost Latitude: +10
Leftmost Longitude: -061
Rightmost Longitude: -019
General Digitizing Rate of Bathymetry: 10
General Sampling Rate of Bathymetry: 4 SECONDS
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: LINEAR INTERPOLATION
Sensor Depth: 00100
Method of Applying Residual Field: INTERPOLATION BETWEEN NAVIGATION DATA
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL 30
Number of Data Records: 15705
Min/Max Data Record:
Date: 1977 11 09
Latitude: +10.67460
Longitude: -60.23930
Bathymetry, Corrected Depth: 629.0
Min/Max Data Record:
Date: 1977 11 29
Latitude: +14.16950
Longitude: -19.36920
Bathymetry, Corrected Depth: 6236.0