Survey Identifier: V2908
Format Acronym: MGD77
Data Center File Number: 01030155
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DRS. P. RABINOWITZ AND D. HAYES
Project: CRUISE 29, LEG 08
Funding: GA27281, GA35463
Survey Departure Date (yyyymmdd): 19720615
Port of Departure: ABIJAN, IVORY COAST
Survey Arrival Date (yyyymmdd): 19720711
Port of Arrival: LAS PALMAS, CANARY ISLANDS
Navigation Instrumentation: SATELLITE/SEXTANT
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD. DOC./ 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTRON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: GRAF-ASKANIA GSS2-12
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU.IN.AIRGUN, EEL,DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +30
Bottommost Latitude: +01
Leftmost Longitude: -021
Rightmost Longitude: -004
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 060
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV. PTS.
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 - 3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 8017
Min/Max Data Record:
Date: 1972 06 15
Latitude: +1.33320
Longitude: -20.95000
Bathymetry, 2- Way Traveltime: 000650
Bathymetry, Corrected Depth: 49.0
Magnetics Total Field, 1st Sensor: 298630
Magnetics Residual Field: -01640
Free-Air Anomaly: -0861
Min/Max Data Record:
Date: 1972 07 11
Latitude: +29.44480
Longitude: -4.00350
Bathymetry, 2- Way Traveltime: 068625
Bathymetry, Corrected Depth: 5178.0
Magnetics Total Field, 1st Sensor: 395700
Magnetics Residual Field: +10070
Free-Air Anomaly: +0841