Survey Identifier: RAMA11WT


Format Acronym: MGD77
Data Center File Number: 15040117
Parameters Surveyed Code: 55333
File Creation Date (yyyymmdd): 19810928
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DORMAN L.,BIBEE D.
Project: RAMA LEG 11
Survey Departure Date (yyyymmdd): 19810310
Port of Departure: AGANA,GUAM
Survey Arrival Date (yyyymmdd): 19810325
Port of Arrival: CEBU,PHILIPPINES
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
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANALOGUE RECORDS
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,DIGITAL 1 CHANNEL
Formats of Seismic Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Topmost Latitude of Survey: +19
Bottommost Latitude: +09
Leftmost Longitude: +123
Rightmost Longitude: +145
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 2SECONDSWEEP
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: 4463

Min/Max Data Record:
Date: 1981 03 10
Latitude: +9.43830
Longitude: +123.64509
Bathymetry, 2- Way Traveltime: 041375
Bathymetry, Corrected Depth: 3093.0
Magnetics Total Field, 1st Sensor: 369060
Magnetics Residual Field: +00250

Min/Max Data Record:
Date: 1981 03 25
Latitude: +18.15420
Longitude: +144.57941
Bathymetry, 2- Way Traveltime: 088000
Bathymetry, Corrected Depth: 6683.0
Magnetics Total Field, 1st Sensor: 394530
Magnetics Residual Field: +04060