Survey Identifier: RAMA04WT


Format Acronym: MGD77
Data Center File Number: 15040110
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19820324
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BRADLEY K.F.
Project: RAMA LEG 4 <ONR 0440>
Survey Departure Date (yyyymmdd): 19800701
Port of Departure: YOKOSUKA,JAPAN
Survey Arrival Date (yyyymmdd): 19800721
Port of Arrival: AGANA,GUAM
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
Topmost Latitude of Survey: +42
Bottommost Latitude: +13
Leftmost Longitude: +139
Rightmost Longitude: +153
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: 5714

Min/Max Data Record:
Date: 1980 07 01
Latitude: +13.43420
Longitude: +139.63839
Bathymetry, 2- Way Traveltime: 017700
Bathymetry, Corrected Depth: 1321.0
Magnetics Total Field, 1st Sensor: 362890
Magnetics Residual Field: -08620

Min/Max Data Record:
Date: 1980 07 21
Latitude: +41.23990
Longitude: +152.18749
Bathymetry, 2- Way Traveltime: 096125
Bathymetry, Corrected Depth: 7315.0
Magnetics Total Field, 1st Sensor: 460400
Magnetics Residual Field: +08190