Survey Identifier: ERDC02WT
Format Acronym: MGD77
Data Center File Number: 15040010
Parameters Surveyed Code: 55333
File Creation Date (yyyymmdd): 19810806
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., SHOR G.
Project: EURYDICE LEG 2
Survey Departure Date (yyyymmdd): 19740920
Port of Departure: HONOLULU
Survey Arrival Date (yyyymmdd): 19741030
Port of Arrival: PAGO PAGO
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(12KHZ)
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: +22
Bottommost Latitude: -15
Leftmost Longitude: -171
Rightmost Longitude: -155
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: 11716
Min/Max Data Record:
Date: 1974 09 20
Latitude: -14.40910
Longitude: -170.96370
Bathymetry, 2- Way Traveltime: 000750
Bathymetry, Corrected Depth: 56.0
Magnetics Total Field, 1st Sensor: 326560
Magnetics Residual Field: -08980
Min/Max Data Record:
Date: 1974 10 30
Latitude: +21.22520
Longitude: -155.14850
Bathymetry, 2- Way Traveltime: 099800
Bathymetry, Corrected Depth: 7616.0
Magnetics Total Field, 1st Sensor: 403620
Magnetics Residual Field: +11050