Survey Identifier: 88003211
Format Acronym: MGD77
Data Center File Number: 67010199
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19910826
Source Institution: IFREMER
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MAUFFRET
Project: VALSIS 2
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19881101
Survey Arrival Date (yyyymmdd): 19881120
Navigation Instrumentation: GPS + TRANSIT
Bathymetry Instrumentation: SEA BEAM VERTICAL BEAM
Topmost Latitude of Survey: +43
Bottommost Latitude: +38
Leftmost Longitude: -001
Rightmost Longitude: +005
General Digitizing Rate of Bathymetry: 011
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Magnetic Sensor Tow Distance: 0200
Sensor Depth: 00100
General Digitizing Rate of Gravity: 012
Theoretical Gravity Formula Code: 8
Theoretical Gravity Formula: IAG SYS 80
Corrections Applied: DRIFT CORRECTION DONE
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: 25692
Min/Max Data Record:
Date: 1988 11 01
Latitude: +38.54276
Longitude: -0.06551
Bathymetry, 2- Way Traveltime: 000880
Bathymetry, Corrected Depth: 66.0
Observed Gravity: 9799754
Free-Air Anomaly: -0991
Min/Max Data Record:
Date: 1988 11 20
Latitude: +42.54305
Longitude: +4.52824
Bathymetry, 2- Way Traveltime: 035295
Bathymetry, Corrected Depth: 2696.0
Observed Gravity: 9804124
Free-Air Anomaly: +0344