Survey Identifier: PASC02WT
Format Acronym: MGD77
Data Center File Number: 15040141
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19830421
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): FOX P.J.
Project: PASCAU LEG 2 <NSF-OCE80-24472>
Survey Departure Date (yyyymmdd): 19830206
Port of Departure: MANZANILLO,MEXICO
Survey Arrival Date (yyyymmdd): 19830227
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: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +20
Bottommost Latitude: -28
Leftmost Longitude: -115
Rightmost Longitude: -103
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
Number of Data Records: 29994
Min/Max Data Record:
Date: 1983 02 06
Latitude: -27.21600
Longitude: -114.56251
Bathymetry, 2- Way Traveltime: 001800
Bathymetry, Corrected Depth: 135.0
Magnetics Total Field, 1st Sensor: 299370
Magnetics Residual Field: -10590
Min/Max Data Record:
Date: 1983 02 27
Latitude: +19.05710
Longitude: -103.59351
Bathymetry, 2- Way Traveltime: 066175
Bathymetry, Corrected Depth: 4981.0
Magnetics Total Field, 1st Sensor: 422720
Magnetics Residual Field: +12330