Survey Identifier: CENT01WT


Format Acronym: MGD77
Data Center File Number: 15040154
Parameters Surveyed Code: 55333
File Creation Date (yyyymmdd): 19811012
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DORMAN L.
Project: CENTER LEG 1 <NSF OCE76-22679>
Survey Departure Date (yyyymmdd): 19780506
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19780608
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: 3.5-12KHZ/UGR,GIFFT RECORDERS/WIDEBEAM
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
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANALOGUE RECORDS
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +33
Bottommost Latitude: -01
Leftmost Longitude: -118
Rightmost Longitude: -085
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: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 9652

Min/Max Data Record:
Date: 1978 05 06
Latitude: -0.08540
Longitude: -117.44230
Bathymetry, 2- Way Traveltime: 000600
Bathymetry, Corrected Depth: 45.0
Magnetics Total Field, 1st Sensor: 316920
Magnetics Residual Field: -06720

Min/Max Data Record:
Date: 1978 06 08
Latitude: +32.66340
Longitude: -85.20240
Bathymetry, 2- Way Traveltime: 066100
Bathymetry, Corrected Depth: 4976.0
Magnetics Total Field, 1st Sensor: 435000
Magnetics Residual Field: +10640