Survey Identifier: CCTW01MV
Format Acronym: MGD77
Data Center File Number: 15020025
Parameters Surveyed Code: 55131
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): MUDIE J., NORMARK W.
Project: COCOTOW LEG 1
Survey Departure Date (yyyymmdd): 19740826
Port of Departure: SAN DIEGO
Survey Arrival Date (yyyymmdd): 19740920
Port of Arrival: ACAPULCO
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(3.5KHZ)
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +33
Bottommost Latitude: +08
Leftmost Longitude: -118
Rightmost Longitude: -100
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: 7053
Min/Max Data Record:
Date: 1974 08 26
Latitude: +8.04520
Longitude: -117.49830
Bathymetry, 2- Way Traveltime: 001052
Bathymetry, Corrected Depth: 79.0
Magnetics Total Field, 1st Sensor: 353810
Magnetics Residual Field: -05800
Min/Max Data Record:
Date: 1974 09 20
Latitude: +32.67890
Longitude: -100.03490
Bathymetry, 2- Way Traveltime: 067022
Bathymetry, Corrected Depth: 5047.0
Magnetics Total Field, 1st Sensor: 477990
Magnetics Residual Field: +10000