Survey Identifier: A2054L03
Format Acronym: MGD77
Data Center File Number: 02020027
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. CARL BOWIN
Project: CRUISE 54, LEG 3
Funding: ONR, NSF
Survey Departure Date (yyyymmdd): 19691206
Port of Departure: BALBOA, PANAMA CANAL ZONE
Survey Arrival Date (yyyymmdd): 19691221
Port of Arrival: WOODS HOLE, U.S.A.
Navigation Instrumentation: LORAN, SATELLITE
Geodetic Datum/Position: SAT. MERGED WITH SHIP VELOCITY
Bathymetry Instrumentation: PRIM.-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, PUNCHED TAPE
Gravity Instrumentation: ARPA VIBRATING STRING ACCELEROMETER
Additional Forms of Gravity Data: ANALOG RECORDS, PUNCHED TAPE
Topmost Latitude of Survey: +41
Bottommost Latitude: +09
Leftmost Longitude: -080
Rightmost Longitude: -064
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
Number of Data Records: 4526
Min/Max Data Record:
Date: 1969 12 06
Latitude: +9.14100
Longitude: -79.92500
Bathymetry, 2- Way Traveltime: 000325
Bathymetry, Corrected Depth: 24.0
Magnetics Total Field, 1st Sensor: 376770
Magnetics Residual Field: -08760
Free-Air Anomaly: -2649
Min/Max Data Record:
Date: 1969 12 21
Latitude: +40.50300
Longitude: -64.91900
Bathymetry, 2- Way Traveltime: 132500
Bathymetry, Corrected Depth: 9937.5
Magnetics Total Field, 1st Sensor: 561180
Magnetics Residual Field: +05750
Free-Air Anomaly: +5628