Survey Identifier: CCTW03MV
Format Acronym: MGD77
Data Center File Number: 15020027
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): LONSDALE P.
Project: COCOTOW LEG 3
Survey Departure Date (yyyymmdd): 19741022
Port of Departure: BALBOA
Survey Arrival Date (yyyymmdd): 19741116
Port of Arrival: BALBOA,C.Z.
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: ANALOGUE RECORDS,PUNCHED CARDS
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: +09
Bottommost Latitude: -01
Leftmost Longitude: -086
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: 7299
Min/Max Data Record:
Date: 1974 10 22
Latitude: -0.80800
Longitude: -85.63630
Bathymetry, 2- Way Traveltime: 008692
Bathymetry, Corrected Depth: 651.0
Magnetics Total Field, 1st Sensor: 316690
Magnetics Residual Field: -05270
Min/Max Data Record:
Date: 1974 11 16
Latitude: +8.67580
Longitude: -79.37700
Bathymetry, 2- Way Traveltime: 055744
Bathymetry, Corrected Depth: 4180.0
Magnetics Total Field, 1st Sensor: 366400
Magnetics Residual Field: +02660