Survey Identifier: A2054L02
Format Acronym: MGD77
Data Center File Number: 02020026
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19800201
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. RICHARD VON HERZEN
Project: CRUISE 54, LEG 2
Funding: ONR, NSF
Survey Departure Date (yyyymmdd): 19691031
Port of Departure: BALBOA, PANAMA CANAL ZONE
Survey Arrival Date (yyyymmdd): 19691201
Port of Arrival: SAN CRISTOBAL, GALAPAGOS
Navigation Instrumentation: SATELLLITE, DR, LORAN
Geodetic Datum/Position: LINEAR INTERPOLATION BETWEEN FIXES
Bathymetry Instrumentation: PGR 3.5, SEC.-12KHZ, PGR WIDE BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN PROTON MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG RECORDS
Topmost Latitude of Survey: +08
Bottommost Latitude: -11
Leftmost Longitude: -110
Rightmost Longitude: -080
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 FIXES
Number of Data Records: 7076
Min/Max Data Record:
Date: 1969 11 01
Latitude: -10.05000
Longitude: -109.50000
Bathymetry, 2- Way Traveltime: 000425
Bathymetry, Corrected Depth: 32.0
Magnetics Total Field, 1st Sensor: 296950
Magnetics Residual Field: -09420
Min/Max Data Record:
Date: 1969 12 01
Latitude: +7.04100
Longitude: -80.65700
Bathymetry, 2- Way Traveltime: 068250
Bathymetry, Corrected Depth: 5141.0
Magnetics Total Field, 1st Sensor: 366630
Magnetics Residual Field: +08140