Survey Identifier: 80003611


Format Acronym: MGD77
Data Center File Number: 67010100
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19831006
Source Institution: CNEXO
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.LE SUAVE
Project: SEABED - CH117
Funding: CNEXO
Survey Departure Date (yyyymmdd): 19801010
Port of Departure: FORT-DE-FRANCE
Survey Arrival Date (yyyymmdd): 19801030
Port of Arrival: LAS PALMAS
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: +27
Bottommost Latitude: +14
Leftmost Longitude: -061
Rightmost Longitude: -017
General Digitizing Rate of Bathymetry: 13
General Sampling Rate of Bathymetry: 4 SECONDS
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: LINEAR INTERPOLATION
General Digitizing Rate of Magnetics: 13
General Sampling Rate of Magnetics: 10
Magnetic Sensor Tow Distance: 200
Sensor Depth: 00100
Reference Field Code: 04
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: 23308

Min/Max Data Record:
Date: 1980 10 10
Latitude: +14.38640
Longitude: -60.78260
Bathymetry, Corrected Depth: 1019.0
Magnetics Total Field, 1st Sensor: 348090
Magnetics Residual Field: -00554

Min/Max Data Record:
Date: 1980 10 30
Latitude: +26.98240
Longitude: -17.39990
Bathymetry, Corrected Depth: 6244.0
Magnetics Total Field, 1st Sensor: 381570
Magnetics Residual Field: +00310