Survey Identifier: CERE03WT
Format Acronym: MGD77
Data Center File Number: 15040148
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19821130
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LONSDALE P.,BATIZA R.
Project: CERES LEG 3 <ONR-0440>
Survey Departure Date (yyyymmdd): 19820813
Port of Departure: ACAPULCO,MEXICO
Survey Arrival Date (yyyymmdd): 19820911
Port of Arrival: BALBOA,PANAMA
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
Seismic Instrumentation: WATERGUN SOURCE, DIGITAL, 1 CHANNEL
Formats of Seismic Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Topmost Latitude of Survey: +17
Bottommost Latitude: -03
Leftmost Longitude: -104
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: 010
Additional Documentation: DEPTH CORRECTED FOR SHIP DRAFT (5M), REAL TIME SEABEAM SWATHS BOOKS ON MICROFILM
Number of Data Records: 42248
Min/Max Data Record:
Date: 1982 08 13
Latitude: -2.08190
Longitude: -103.56370
Bathymetry, 2- Way Traveltime: 001100
Bathymetry, Corrected Depth: 82.0
Magnetics Total Field, 1st Sensor: 309350
Magnetics Residual Field: -09100
Free-Air Anomaly: -5013
Min/Max Data Record:
Date: 1982 09 11
Latitude: +16.84820
Longitude: -79.52269
Bathymetry, 2- Way Traveltime: 074225
Bathymetry, Corrected Depth: 5604.0
Magnetics Total Field, 1st Sensor: 464450
Magnetics Residual Field: +32760
Free-Air Anomaly: +1046