Survey Identifier: KN054L04


Format Acronym: MGD77
Data Center File Number: 02030019
Parameters Surveyed Code: 55000
File Creation Date (yyyymmdd): 1982 511
Source Institution: WOODS HOLE OCEANOGRAPHIC INST
Country: USA
Platform Name: KNORR
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR. MICHAEL PURDY
Project: CRUISE 54, LEG 4
Funding: NSF
Survey Departure Date (yyyymmdd): 19760302
Port of Departure: SAN JUAN, PUERTO RICO
Survey Arrival Date (yyyymmdd): 19760401
Port of Arrival: CADIZ, SPAIN
Navigation Instrumentation: LORAN C,RAD,SAT,DR
Geodetic Datum/Position: LINEAR INTERPOLATION BETWEEN FIXES
Bathymetry Instrumentation: PRIM 3.5,SEC-12KHZ WIDE BEAM 1-SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG RECORDS, PUNCHED TAPE
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG RECORDS, PUNCHED TAPE
Topmost Latitude of Survey: +36
Bottommost Latitude: +18
Leftmost Longitude: -065
Rightmost Longitude: -009
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: 010
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 0250
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: INTERPOLATION BETWEEN FIXES
Number of Data Records: 16175

Min/Max Data Record:
Date: 1976 03 03
Latitude: +18.59680
Longitude: -64.02100
Bathymetry, 2- Way Traveltime: 000550
Bathymetry, Corrected Depth: 41.0
Magnetics Total Field, 1st Sensor: 366370
Magnetics Residual Field: -07680

Min/Max Data Record:
Date: 1976 03 31
Latitude: +35.25750
Longitude: -9.98490
Bathymetry, 2- Way Traveltime: 100700
Bathymetry, Corrected Depth: 7711.0
Magnetics Total Field, 1st Sensor: 433930
Magnetics Residual Field: +10420