Survey Identifier: 78005111
Format Acronym: MGD77
Data Center File Number: 67010078
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19830930
Source Institution: CNEXO
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): GUY PAUTOT
Project: MEROU - CH94
Funding: CNEXO
Survey Departure Date (yyyymmdd): 19781023
Port of Departure: PORT-SAID
Survey Arrival Date (yyyymmdd): 19781102
Port of Arrival: DJIBOUTI
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
Magnetics Instrumentation: PROTON PRECESSION MAG
Additional Forms of Magnetics Data: ANALOG RECORDS
Topmost Latitude of Survey: +28
Bottommost Latitude: +11
Leftmost Longitude: +034
Rightmost Longitude: +044
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 Code: 04
Reference Field: IGRF-75
Method of Applying Residual Field: INTERPOLATION BETWEEN NAVIGATION DATA
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL 30
Number of Data Records: 12921
Min/Max Data Record:
Date: 1978 10 23
Latitude: +11.66330
Longitude: +34.25470
Bathymetry, Corrected Depth: 86.0
Magnetics Total Field, 1st Sensor: 370440
Magnetics Residual Field: -01208
Min/Max Data Record:
Date: 1978 11 02
Latitude: +27.75250
Longitude: +43.50290
Bathymetry, Corrected Depth: 2873.0
Magnetics Total Field, 1st Sensor: 421690
Magnetics Residual Field: +00681