Survey Identifier: A2068L01


Format Acronym: MGD77
Data Center File Number: 02020047
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 1982 5 6
Source Institution: WOODS HOLE OCEANOGRAPHIC INSTITUTION
Country: U.S.A.
Platform Name: ATLANTIS II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR.SYDNEY KNOX
Project: CRUISE 68,LEG 1
Funding: NSF
Survey Departure Date (yyyymmdd): 19720707
Port of Departure: LUANDA,ANGOLA
Survey Arrival Date (yyyymmdd): 19720728
Port of Arrival: BAHIA,BRAZIL
Navigation Instrumentation: SATELLITE RECEIVER, D.R.
Geodetic Datum/Position: LINEAR INTERPOLATION BETWEEN FIXES
Bathymetry Instrumentation: PGR,3.5KHZ WIDE BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN PROTON-PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG RECORDS
Topmost Latitude of Survey: -08
Bottommost Latitude: -17
Leftmost Longitude: -039
Rightmost Longitude: +014
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: ONE/SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5-MINUTES AND BREAK SLOPE
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 60
Magnetic Sensor Tow Distance: 250
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: INTERPOLATION BETWEEN FIXS
Number of Data Records: 8537

Min/Max Data Record:
Date: 1972 07 07
Latitude: -16.30000
Longitude: -38.57400
Bathymetry, 2- Way Traveltime: 000600
Bathymetry, Corrected Depth: 45.0
Magnetics Total Field, 1st Sensor: 303470
Magnetics Residual Field: -03800

Min/Max Data Record:
Date: 1972 07 28
Latitude: -8.75400
Longitude: +13.20800
Bathymetry, 2- Way Traveltime: 077950
Bathymetry, Corrected Depth: 5898.0
Magnetics Total Field, 1st Sensor: 322470
Magnetics Residual Field: +03070