Survey Identifier: SOTW11WT
Format Acronym: MGD77
Data Center File Number: 15040051
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): WINTERER E.L.
Project: SOUTHTOW LEG 11
Survey Departure Date (yyyymmdd): 19721125
Port of Departure: PAGO PAGO,SAMOA
Survey Arrival Date (yyyymmdd): 19721220
Port of Arrival: APIA,WESTERN SAMOA
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: ANALOGUE RECORDS,PUNCHED CARDS
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: +01
Bottommost Latitude: -15
Leftmost Longitude: -172
Rightmost Longitude: -156
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: 8809
Min/Max Data Record:
Date: 1972 11 25
Latitude: -14.21230
Longitude: -171.74160
Bathymetry, 2- Way Traveltime: 000450
Bathymetry, Corrected Depth: 34.0
Magnetics Total Field, 1st Sensor: 333200
Magnetics Residual Field: -06850
Min/Max Data Record:
Date: 1972 12 19
Latitude: +0.13180
Longitude: -156.12000
Bathymetry, 2- Way Traveltime: 078450
Bathymetry, Corrected Depth: 5935.0
Magnetics Total Field, 1st Sensor: 398150
Magnetics Residual Field: +08400