Survey Identifier: 81009311


Format Acronym: MGD77
Data Center File Number: 67010107
Parameters Surveyed Code: 55000
File Creation Date (yyyymmdd): 1911 385
Source Institution: IFREMER
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BELLAICHE G
Project: DELTARHO1-PROFANS1(1.LEG)
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19811120
Survey Arrival Date (yyyymmdd): 19811129
Geodetic Datum/Position: SATELITE ESTIME
Bathymetry Instrumentation: VERTICAL SEABEAM
Topmost Latitude of Survey: +44
Bottommost Latitude: +41
Leftmost Longitude: +004
Rightmost Longitude: +006
General Digitizing Rate of Bathymetry: 5
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 10
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: 24350

Min/Max Data Record:
Date: 1981 11 20
Latitude: +41.59880
Longitude: +4.11022
Bathymetry, Corrected Depth: 116.0
Magnetics Total Field, 1st Sensor: 448830
Magnetics Residual Field: -01752

Min/Max Data Record:
Date: 1981 11 29
Latitude: +43.02705
Longitude: +5.80532
Bathymetry, Corrected Depth: 2505.0
Magnetics Total Field, 1st Sensor: 454000
Magnetics Residual Field: -00335