Survey Identifier: SOTW01WT
Format Acronym: MGD77
Data Center File Number: 15040041
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800602
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HESSLER R.
Project: SOUTHTOW LEG 1
Survey Departure Date (yyyymmdd): 19720105
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19720210
Port of Arrival: PAPEETE,TAHITI
Navigation Instrumentation: SATNAV,AUTOLOG GYRO + EMLOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/GIFFT RECORDERS/WIDE BEAM
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
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: -26
Leftmost Longitude: -150
Rightmost Longitude: -117
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: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN.INTERP.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 9106
Min/Max Data Record:
Date: 1972 01 06
Latitude: -25.32000
Longitude: -149.39350
Bathymetry, 2- Way Traveltime: 000450
Bathymetry, Corrected Depth: 34.0
Magnetics Total Field, 1st Sensor: 317850
Magnetics Residual Field: -18500
Min/Max Data Record:
Date: 1972 02 09
Latitude: +32.42660
Longitude: -117.45660
Bathymetry, 2- Way Traveltime: 064600
Bathymetry, Corrected Depth: 4859.0
Magnetics Total Field, 1st Sensor: 492600
Magnetics Residual Field: +04650