Survey Identifier: CCTW04MV


Format Acronym: MGD77
Data Center File Number: 15020028
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19791029
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ANDERSON R.
Project: COCOTOW LEG 4
Survey Departure Date (yyyymmdd): 19741120
Port of Departure: BALBOA
Survey Arrival Date (yyyymmdd): 19741218
Port of Arrival: SAN DIEGO
Navigation Instrumentation: SATNAV,AUTOLOG GYRO + EMLOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/GIFFT RECORDERS/WIDE BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +33
Bottommost Latitude: -01
Leftmost Longitude: -118
Rightmost Longitude: -079
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 8048

Min/Max Data Record:
Date: 1974 11 20
Latitude: -0.44920
Longitude: -117.22060
Bathymetry, 2- Way Traveltime: 000326
Bathymetry, Corrected Depth: 24.0
Magnetics Total Field, 1st Sensor: 319550
Magnetics Residual Field: -10640

Min/Max Data Record:
Date: 1974 12 18
Latitude: +32.60810
Longitude: -79.47330
Bathymetry, 2- Way Traveltime: 074076
Bathymetry, Corrected Depth: 5592.0
Magnetics Total Field, 1st Sensor: 493190
Magnetics Residual Field: +08800