Survey Identifier: ARIA01WT


Format Acronym: MGD77
Data Center File Number: 15040149
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19820607
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SHIPLEY T.
Project: ARIADNE LEG 1
Survey Departure Date (yyyymmdd): 19820112
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19820210
Port of Arrival: PAPEETE,TAHITI
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
Seismic Instrumentation: WATERGUN SOURCE, DIGITAL, 1 CHANNEL
Formats of Seismic Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Topmost Latitude of Survey: +33
Bottommost Latitude: -18
Leftmost Longitude: -151
Rightmost Longitude: -117
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: 050
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: 42538

Min/Max Data Record:
Date: 1982 01 12
Latitude: -17.52380
Longitude: -150.05820
Bathymetry, 2- Way Traveltime: 006225
Bathymetry, Corrected Depth: 474.0
Magnetics Total Field, 1st Sensor: 319510
Magnetics Residual Field: -04810

Min/Max Data Record:
Date: 1982 02 10
Latitude: +32.27000
Longitude: -117.33411
Bathymetry, 2- Way Traveltime: 071975
Bathymetry, Corrected Depth: 5432.0
Magnetics Total Field, 1st Sensor: 440060
Magnetics Residual Field: +06160