Survey Identifier: 88001911
Format Acronym: MGD77
Data Center File Number: 67010193
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19910826
Source Institution: IFREMER
Country: FRANCE
Platform Name: JEAN CHARCOT
Platform Type Code: 1
Platform Type: SHIP
Funding: IFREMER
Survey Departure Date (yyyymmdd): 19880803
Survey Arrival Date (yyyymmdd): 19880814
Topmost Latitude of Survey: +50
Bottommost Latitude: +40
Leftmost Longitude: -075
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
General Digitizing Rate of Gravity: 010
Theoretical Gravity Formula Code: 8
Theoretical Gravity Formula: IAG SYS
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: 16719
Min/Max Data Record:
Date: 1988 08 03
Latitude: +40.47381
Longitude: -74.05953
Bathymetry, 2- Way Traveltime: 000895
Bathymetry, Corrected Depth: 67.0
Magnetics Total Field, 1st Sensor: 472120
Magnetics Residual Field: -03850
Observed Gravity: 9801785
Free-Air Anomaly: -0753
Min/Max Data Record:
Date: 1988 08 14
Latitude: +49.12253
Longitude: -4.48099
Bathymetry, 2- Way Traveltime: 064312
Bathymetry, Corrected Depth: 4857.0
Magnetics Total Field, 1st Sensor: 520670
Magnetics Residual Field: +08400
Observed Gravity: 9810704
Free-Air Anomaly: +0929