Survey Identifier: CERE02WT
Format Acronym: MGD77
Data Center File Number: 15040147
Parameters Surveyed Code: 55531
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): MACDONALD K.,MAMMERICKX J.
Project: CERES LEG 2 <ONR-0440>
Survey Departure Date (yyyymmdd): 19820708
Port of Departure: SAN DIEGO,CALIFORNA
Survey Arrival Date (yyyymmdd): 19820808
Port of Arrival: ACAPULCO,MEXICO
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
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANAL.REC,DIGITAL MAG. TAPE
Topmost Latitude of Survey: +33
Bottommost Latitude: +08
Leftmost Longitude: -118
Rightmost Longitude: -099
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: 010
Additional Documentation: DEPTH CORRECTED FOR SHIP DRAFT (5M), REAL TIME SEABEAM SWATHS BOOKS ON MICROFILM
Number of Data Records: 44082
Min/Max Data Record:
Date: 1982 07 08
Latitude: +8.31230
Longitude: -117.22981
Bathymetry, 2- Way Traveltime: 002025
Bathymetry, Corrected Depth: 152.0
Magnetics Total Field, 1st Sensor: 350870
Magnetics Residual Field: -08410
Free-Air Anomaly: -2661
Min/Max Data Record:
Date: 1982 08 08
Latitude: +32.60610
Longitude: -99.90390
Bathymetry, 2- Way Traveltime: 074100
Bathymetry, Corrected Depth: 5593.0
Magnetics Total Field, 1st Sensor: 492230
Magnetics Residual Field: +18150
Free-Air Anomaly: +1282