Survey Identifier: MARA10WT
Format Acronym: MGD77
Data Center File Number: 15040103
Parameters Surveyed Code: 55333
File Creation Date (yyyymmdd): 19811007
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SHOR G.G.
Project: MARIANA LEG 10 <NORDA/ONR 0749,UC446080-19900>
Survey Departure Date (yyyymmdd): 19790216
Port of Departure: JAKARTA
Survey Arrival Date (yyyymmdd): 19790310
Port of Arrival: SUBIC BAY,PHIL
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
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
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANALOGUE RECORDS
Seismic Instrumentation: 24CHANNEL,40-300CU.IN.AG,GEOSPACE DAS209
Formats of Seismic Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Topmost Latitude of Survey: +15
Bottommost Latitude: -06
Leftmost Longitude: +088
Rightmost Longitude: +120
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: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 6459
Min/Max Data Record:
Date: 1979 02 16
Latitude: -5.95170
Longitude: +88.04210
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 399390
Magnetics Residual Field: -05290
Min/Max Data Record:
Date: 1979 03 10
Latitude: +14.34699
Longitude: +119.94350
Bathymetry, 2- Way Traveltime: 066925
Bathymetry, Corrected Depth: 5019.4
Magnetics Total Field, 1st Sensor: 416600
Magnetics Residual Field: +02830