Survey Identifier: V1912
Format Acronym: MGD77
Data Center File Number: 01030048
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890630
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): M. EWING
Project: CRUISE 19, LEG 12
Survey Departure Date (yyyymmdd): 19630920
Port of Departure: CAPETOWN, SOUTH AFRICA
Survey Arrival Date (yyyymmdd): 19631024
Port of Arrival: ABIDJAN, IVORY COAST
Navigation Instrumentation: SEXTANT
Geodetic Datum/Position: DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD. DOC./18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG. PROTON-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: +06
Bottommost Latitude: -39
Leftmost Longitude: -006
Rightmost Longitude: +019
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
General Digitizing Rate of Gravity: 122
Additional Documentation: 06 - 12 KHZ, WIDE BEAM (60 DEG),1 SECOND SWEEP
Number of Data Records: 3793
Min/Max Data Record:
Date: 1963 09 20
Latitude: -38.07200
Longitude: -5.97000
Bathymetry, 2- Way Traveltime: 000300
Bathymetry, Corrected Depth: 22.0
Magnetics Total Field, 1st Sensor: 293140
Magnetics Residual Field: -09480
Free-Air Anomaly: -0681
Min/Max Data Record:
Date: 1963 10 24
Latitude: +5.15000
Longitude: +18.75000
Bathymetry, 2- Way Traveltime: 076700
Bathymetry, Corrected Depth: 5805.0
Magnetics Total Field, 1st Sensor: 318650
Magnetics Residual Field: +08750
Free-Air Anomaly: +1644