Survey Identifier: PASC03WT
Format Acronym: MGD77
Data Center File Number: 15040142
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19830503
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CRAIG H.,FRANCHETEAU J.
Project: PASCAU LEG 3 <NSF OCE80-24472>
Survey Departure Date (yyyymmdd): 19830303
Port of Departure: EASTER ISLAND
Survey Arrival Date (yyyymmdd): 19830328
Port of Arrival: EASTER ISLAND
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: ???
Topmost Latitude of Survey: -25
Bottommost Latitude: -36
Leftmost Longitude: -115
Rightmost Longitude: -108
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
Additional Documentation: DEPTH CORRECTED FOR SHIP DRAFT (5M), REAL TIME SEABEAM SWATHS BOOKS ON MICROFILM, MAGS COLLECTED BUT NO PAPER RECORD
Number of Data Records: 36104
Min/Max Data Record:
Date: 1983 03 03
Latitude: -35.01070
Longitude: -114.36231
Bathymetry, 2- Way Traveltime: 008400
Bathymetry, Corrected Depth: 630.0
Magnetics Total Field, 1st Sensor: 330830
Magnetics Residual Field: -10330
Min/Max Data Record:
Date: 1983 03 28
Latitude: -25.72770
Longitude: -108.44230
Bathymetry, 2- Way Traveltime: 067300
Bathymetry, Corrected Depth: 5064.0
Magnetics Total Field, 1st Sensor: 383450
Magnetics Residual Field: +08650