Survey Identifier: 80001413
Format Acronym: MGD77
Data Center File Number: 67010099
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19831005
Source Institution: CNEXO
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): VINCENT RENARD
Project: TOULAC - CH108
Funding: CNEXO
Survey Departure Date (yyyymmdd): 19800320
Port of Departure: PANAMA
Survey Arrival Date (yyyymmdd): 19800327
Port of Arrival: ACAPULCO
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: +17
Bottommost Latitude: +06
Leftmost Longitude: -100
Rightmost Longitude: -079
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
General Digitizing Rate of Magnetics: 10
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: 9730
Min/Max Data Record:
Date: 1980 03 20
Latitude: +6.75670
Longitude: -99.61860
Bathymetry, Corrected Depth: 346.0
Magnetics Total Field, 1st Sensor: 355580
Magnetics Residual Field: -00378
Min/Max Data Record:
Date: 1980 03 27
Latitude: +16.48490
Longitude: -79.86370
Bathymetry, Corrected Depth: 6887.0
Magnetics Total Field, 1st Sensor: 404820
Magnetics Residual Field: +00135