Survey Identifier: CERE04WT
Format Acronym: MGD77
Data Center File Number: 15040155
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19830701
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HEY,R. TYCE,R.
Project: CERES LEG 4 <ONR-0440>
Survey Departure Date (yyyymmdd): 19820915
Port of Departure: BALBOA,PANAMA
Survey Arrival Date (yyyymmdd): 19821026
Port of Arrival: SAN DIEGO,CALIFORNIA
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: SEABEAM VERT.BEAM(2&2/3DEG)&3.5KHZ(WIDE)
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Topmost Latitude of Survey: +33
Bottommost Latitude: +01
Leftmost Longitude: -118
Rightmost Longitude: -079
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1TO10SECONDS
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 88
Interpolation Scheme: 1 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: 80
Reference Field: IGRF 1980
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
General Digitizing Rate of Gravity: 000
Additional Documentation: DEPTH CORRECTED FOR SHIP DRAFT (5M), REAL TIME SEABEAM SWATHS BOOKS ON MICROFILM
Number of Data Records: 59426
Min/Max Data Record:
Date: 1982 09 15
Latitude: +1.87400
Longitude: -117.73721
Bathymetry, 2- Way Traveltime: 000850
Bathymetry, Corrected Depth: 64.0
Magnetics Total Field, 1st Sensor: 322550
Magnetics Residual Field: -10040
Min/Max Data Record:
Date: 1982 10 26
Latitude: +32.62050
Longitude: -79.46980
Bathymetry, 2- Way Traveltime: 063050
Bathymetry, Corrected Depth: 4740.0
Magnetics Total Field, 1st Sensor: 487300
Magnetics Residual Field: +07140