Survey Identifier: V3013
Format Acronym: MGD77
Data Center File Number: 01030172
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890703
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: VEMA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LANCELOT, YVES AND RYAN, W.
Project: CRUISE V30, LEG 13
Funding: (SEE ADD DOC / 19)
Survey Departure Date (yyyymmdd): 19731101
Port of Departure: LISBON, PORTUGAL
Survey Arrival Date (yyyymmdd): 19731201
Port of Arrival: LAS PALMAS, GRAN CANARIE
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 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-IW-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO,2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +39
Bottommost Latitude: +27
Leftmost Longitude: -018
Rightmost Longitude: -005
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 TWO PTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP, 03- NSF GA27281, AND NSF GA35463
Number of Data Records: 8092
Min/Max Data Record:
Date: 1973 11 01
Latitude: +27.77360
Longitude: -17.47060
Bathymetry, 2- Way Traveltime: 001275
Bathymetry, Corrected Depth: 96.0
Magnetics Total Field, 1st Sensor: 383630
Magnetics Residual Field: -04280
Free-Air Anomaly: -1736
Min/Max Data Record:
Date: 1973 12 01
Latitude: +38.58000
Longitude: -5.22020
Bathymetry, 2- Way Traveltime: 067000
Bathymetry, Corrected Depth: 5077.0
Magnetics Total Field, 1st Sensor: 436240
Magnetics Residual Field: +18930
Free-Air Anomaly: +2103