Survey Identifier: V3101
Format Acronym: MGD77
Data Center File Number: 01030174
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): DR. K. MC CAMY
Project: CRUISE 31 LEG 01
Funding: (SEE ADD DOC / 19)
Survey Departure Date (yyyymmdd): 19740102
Port of Departure: DAKAR,SENEGAL,WEST AFRICA
Survey Arrival Date (yyyymmdd): 19740130
Port of Arrival: MAR DEL PLATA,ARGENTINA
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: +15
Bottommost Latitude: -40
Leftmost Longitude: -058
Rightmost Longitude: -017
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- ONR N00014-67-A-0108-0004
Number of Data Records: 9001
Min/Max Data Record:
Date: 1974 01 02
Latitude: -39.02430
Longitude: -57.43480
Bathymetry, 2- Way Traveltime: 000275
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 245320
Magnetics Residual Field: -04590
Free-Air Anomaly: -0864
Min/Max Data Record:
Date: 1974 01 30
Latitude: +14.59830
Longitude: -17.45330
Bathymetry, 2- Way Traveltime: 079250
Bathymetry, Corrected Depth: 5998.0
Magnetics Total Field, 1st Sensor: 327350
Magnetics Residual Field: +06450
Free-Air Anomaly: +1796