Survey Identifier: ERDC11WT
Format Acronym: MGD77
Data Center File Number: 15040019
Parameters Surveyed Code: 55333
File Creation Date (yyyymmdd): 19791030
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: EURYDICE LEG 11
Survey Departure Date (yyyymmdd): 19750620
Port of Departure: MAJURO
Survey Arrival Date (yyyymmdd): 19750718
Port of Arrival: SAN DIEGO
Navigation Instrumentation: SATNAV,AUTOLOG GYRO + EMLOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/UGR,GIFFT RECORDERS/WIDEBEAM
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
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANALOGUE RECORDS
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: +00
Leftmost Longitude: +171
Rightmost Longitude: -111
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.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 8016
Min/Max Data Record:
Date: 1975 06 20
Latitude: +0.52220
Longitude: -179.99450
Bathymetry, 2- Way Traveltime: 000174
Bathymetry, Corrected Depth: 13.0
Magnetics Total Field, 1st Sensor: 325670
Magnetics Residual Field: -08350
Min/Max Data Record:
Date: 1975 07 18
Latitude: +32.58060
Longitude: +179.99290
Bathymetry, 2- Way Traveltime: 082950
Bathymetry, Corrected Depth: 6284.0
Magnetics Total Field, 1st Sensor: 493760
Magnetics Residual Field: +06470