Survey Identifier: 89001811
Format Acronym: MGD77
Data Center File Number: 67010203
Parameters Surveyed Code: 55000
File Creation Date (yyyymmdd): 19911018
Source Institution: IFREMER
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J.F.BOURILLET
Project: TAT 9
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19891015
Survey Arrival Date (yyyymmdd): 19891020
Bathymetry Instrumentation: SEA BEAM VERTICAL BEAM
Topmost Latitude of Survey: +49
Bottommost Latitude: +43
Leftmost Longitude: -015
Rightmost Longitude: -004
General Digitizing Rate of Bathymetry: 010
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 010
Magnetic Sensor Tow Distance: 0200
Sensor Depth: 00100
Additional Documentation: OBSERVED PARAMETERS : POSITION LINEARLY INTERPOLATED IN FUNCTION OF TIME, SYNCHRONIZED PARAMETERS : VALUES INTERPOLATED LINEARLY IN FUNCTION OF TIME, EOTVOS CORRECTION : CAP + SPEED DETERMINED LINEARLY FROM THE NAVIGATION POINTS, DGRF : HARMONIC COEFFICIENTS COMPUTED ONCE (LINEARLY) AT THE DATE OF THE FIRST, OBSERVED DATA FOR EACH CRUISE, ECHO SOUNDING CORRECTION TABLES - 3RD ED. D.J.T. CARTER, NP 139 HYFROGRAPHIC DEPARTMENT - MINISTRY OF DEFENSE - UK 1980
Number of Data Records: 6711
Min/Max Data Record:
Date: 1989 10 15
Latitude: +43.17707
Longitude: -14.22977
Bathymetry, 2- Way Traveltime: 061535
Bathymetry, Corrected Depth: 4649.0
Magnetics Total Field, 1st Sensor: 453490
Magnetics Residual Field: -02090
Min/Max Data Record:
Date: 1989 10 20
Latitude: +48.38317
Longitude: -4.47395
Bathymetry, 2- Way Traveltime: 067239
Bathymetry, Corrected Depth: 5089.0
Magnetics Total Field, 1st Sensor: 465610
Magnetics Residual Field: +02350