Survey Identifier: 79001311
Format Acronym: MGD77
Data Center File Number: 67010074
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19911119
Source Institution: IFREMER
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J.C.SIBUET
Project: TRANSWAL - CH87
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19790318
Port of Departure: CAPE TOWN
Survey Arrival Date (yyyymmdd): 19790412
Port of Arrival: BREST
Navigation Instrumentation: SAT I.T.T.
Geodetic Datum/Position: DEAD RECKONONG BASED ON SAT FIXES
Bathymetry Instrumentation: SEA-BEAM VERTICAL BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS
Topmost Latitude of Survey: +48
Bottommost Latitude: -33
Leftmost Longitude: -022
Rightmost Longitude: +017
General Digitizing Rate of Bathymetry: 011
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
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: 36216
Min/Max Data Record:
Date: 1979 03 18
Latitude: -32.59297
Longitude: -21.00507
Bathymetry, 2- Way Traveltime: 001692
Bathymetry, Corrected Depth: 127.0
Min/Max Data Record:
Date: 1979 04 12
Latitude: +47.98704
Longitude: +16.45273
Bathymetry, 2- Way Traveltime: 080263
Bathymetry, Corrected Depth: 6084.0