Survey Identifier: 80011111
Format Acronym: MGD77
Data Center File Number: 67010093
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19801006
Source Institution: CNEXO
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.LE SUAVE
Project: SEABED - CH118
Funding: CNEXO
Survey Departure Date (yyyymmdd): 19801105
Port of Departure: LAS PALMAS
Survey Arrival Date (yyyymmdd): 19801124
Port of Arrival: FORT-DE-FRANCE
Navigation Instrumentation: SAT MAGNAVOX
Geodetic Datum/Position: DEAD RECKONING BASED ON SAT FIXES
Bathymetry Instrumentation: SEA-BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: PROTON PRECESSION MAG
Additional Forms of Magnetics Data: ANALOG RECORDS
Topmost Latitude of Survey: +28
Bottommost Latitude: +14
Leftmost Longitude: -061
Rightmost Longitude: -016
General Digitizing Rate of Bathymetry: 18
General Sampling Rate of Bathymetry: 4 SECONDS
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: LINEAR INTERPOLATION
General Digitizing Rate of Magnetics: 20
General Sampling Rate of Magnetics: 10
Magnetic Sensor Tow Distance: 200
Sensor Depth: 00100
Reference Field: IGRF-80
Method of Applying Residual Field: INTERPOLATION BETWEEN NAVIGATION DATA
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL 30
Number of Data Records: 18523
Min/Max Data Record:
Date: 1980 11 05
Latitude: +14.43460
Longitude: -60.69780
Bathymetry, Corrected Depth: 1317.0
Magnetics Total Field, 1st Sensor: 350020
Magnetics Residual Field: -00548
Min/Max Data Record:
Date: 1980 11 24
Latitude: +27.81910
Longitude: -16.39760
Bathymetry, Corrected Depth: 6395.0
Magnetics Total Field, 1st Sensor: 385900
Magnetics Residual Field: +00464