Survey Identifier: 74004911
Format Acronym: MGD77
Data Center File Number: 67010051
Parameters Surveyed Code: 55000
File Creation Date (yyyymmdd): 19920310
Source Institution: IFREMER
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Project: NORGE 1
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19740910
Survey Arrival Date (yyyymmdd): 19740923
Topmost Latitude of Survey: +68
Bottommost Latitude: +59
Leftmost Longitude: -003
Rightmost Longitude: +014
General Digitizing Rate of Bathymetry: 022
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 022
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: 8105
Min/Max Data Record:
Date: 1974 09 10
Latitude: +59.07120
Longitude: -2.15660
Bathymetry, 2- Way Traveltime: 001195
Bathymetry, Corrected Depth: 90.0
Magnetics Total Field, 1st Sensor: 498230
Magnetics Residual Field: -07280
Min/Max Data Record:
Date: 1974 09 23
Latitude: +67.17078
Longitude: +13.08955
Bathymetry, 2- Way Traveltime: 036517
Bathymetry, Corrected Depth: 2687.0
Magnetics Total Field, 1st Sensor: 516360
Magnetics Residual Field: +06910