Survey Identifier: A2067L03
Format Acronym: MGD77
Data Center File Number: 02020042
Parameters Surveyed Code: 55511
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. ELAZAR UCHUPI
Project: CRUISE 67, LEG 3
Funding: NSF
Survey Departure Date (yyyymmdd): 19720227
Port of Departure: CAPETOWN, SOUTH AFRICA
Survey Arrival Date (yyyymmdd): 19720320
Port of Arrival: CAPETOWN, SOUTH AFRICA
Navigation Instrumentation: SATELLITE, DR
Geodetic Datum/Position: SAT. MERGED WITH SHIP VELOCITY
Bathymetry Instrumentation: PGR 3.5KHZ WIDE BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN PROTON MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG RECORDS, PUNCHED TAPE
Gravity Instrumentation: ARPA VIBRATING STRING ACCELEROMETER
Additional Forms of Gravity Data: ANALOG RECORDS, PUNCHED TAPE
Topmost Latitude of Survey: -33
Bottommost Latitude: -46
Leftmost Longitude: +009
Rightmost Longitude: +026
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: LINEAR INTERPOLATION WITHIN DEGREE SQUARE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG 1967
Reference System Code: 2
Reference System: POTSDAM 1930
Corrections Applied: DRIFT=+.04MGAL/DAY BIAS=+1.6
Departure Base Station Gravity: 9796536
Departure Base Station Description: WHOI STATION 828
Arrival Base Station Gravity: 9796534
Arrival Base Station Description: WHOI STATION 832
Number of Data Records: 11942
Min/Max Data Record:
Date: 1972 02 27
Latitude: -45.45300
Longitude: +9.51800
Bathymetry, 2- Way Traveltime: 000350
Bathymetry, Corrected Depth: 26.0
Magnetics Total Field, 1st Sensor: 280560
Magnetics Residual Field: -07680
Free-Air Anomaly: -0783
Min/Max Data Record:
Date: 1972 03 20
Latitude: -33.69100
Longitude: +25.09400
Bathymetry, 2- Way Traveltime: 072675
Bathymetry, Corrected Depth: 5465.0
Magnetics Total Field, 1st Sensor: 303060
Magnetics Residual Field: +10760
Free-Air Anomaly: +1515