Survey Identifier: RAMA03WT
Format Acronym: MGD77
Data Center File Number: 15040109
Parameters Surveyed Code: 55133
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.,LONSDALE P.F.
Project: RAMA LEG 3 <NSF OCE77-23258>
Survey Departure Date (yyyymmdd): 19800525
Port of Departure: MIDWAY ISLAND
Survey Arrival Date (yyyymmdd): 19800625
Port of Arrival: YOKOSUKA,JAPAN
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5KHZ/RAYTHEON UGR RECORDER/WIDE BEAM
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
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,DIGITAL 1 CHANNEL
Formats of Seismic Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Topmost Latitude of Survey: +57
Bottommost Latitude: +28
Leftmost Longitude: +140
Rightmost Longitude: -177
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: 8997
Min/Max Data Record:
Date: 1980 05 25
Latitude: +28.73110
Longitude: -179.99811
Bathymetry, 2- Way Traveltime: 002700
Bathymetry, Corrected Depth: 197.0
Magnetics Total Field, 1st Sensor: 357250
Magnetics Residual Field: -09610
Min/Max Data Record:
Date: 1980 06 25
Latitude: +56.09420
Longitude: +179.99930
Bathymetry, 2- Way Traveltime: 102100
Bathymetry, Corrected Depth: 7772.0
Magnetics Total Field, 1st Sensor: 536010
Magnetics Residual Field: +22570