Survey Identifier: A2067L02
Format Acronym: MGD77
Data Center File Number: 02020041
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
Survey Departure Date (yyyymmdd): 19720204
Port of Departure: DAKAR, SENEGAL
Survey Arrival Date (yyyymmdd): 19720222
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: +15
Bottommost Latitude: -36
Leftmost Longitude: -019
Rightmost Longitude: +019
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=0.0 BIAS=+2.8MGAL/DAY
Departure Base Station Gravity: 9784816
Departure Base Station Description: WHOI STATION 826
Arrival Base Station Gravity: 9496528
Arrival Base Station Description: WHOI STATION 828
Number of Data Records: 11963
Min/Max Data Record:
Date: 1972 02 04
Latitude: -35.00900
Longitude: -18.01400
Bathymetry, 2- Way Traveltime: 000475
Bathymetry, Corrected Depth: 36.0
Magnetics Total Field, 1st Sensor: 286930
Magnetics Residual Field: -06280
Free-Air Anomaly: -0939
Min/Max Data Record:
Date: 1972 02 22
Latitude: +14.69200
Longitude: +18.28300
Bathymetry, 2- Way Traveltime: 080000
Bathymetry, Corrected Depth: 6063.0
Magnetics Total Field, 1st Sensor: 327480
Magnetics Residual Field: +05120
Free-Air Anomaly: +1031