Survey Identifier: RAMA15WT
Format Acronym: MGD77
Data Center File Number: 15040122
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19811006
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BURKE J.
Project: RAMA LEG 15 <ONR-0440,NSF OCE80-24472,WHOI-30296>
Survey Departure Date (yyyymmdd): 19810621
Port of Departure: DUTCH HARBOR,ALASKA
Survey Arrival Date (yyyymmdd): 19810702
Port of Arrival: SAN DIEGO,CALIF
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/RAYTHEON UGR RECORDER/WIDE BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +55
Bottommost Latitude: +32
Leftmost Longitude: -167
Rightmost Longitude: -117
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: 3271
Min/Max Data Record:
Date: 1981 06 21
Latitude: +32.67150
Longitude: -166.47139
Bathymetry, 2- Way Traveltime: 036800
Bathymetry, Corrected Depth: 2727.0
Magnetics Total Field, 1st Sensor: 490840
Magnetics Residual Field: -06380
Min/Max Data Record:
Date: 1981 07 02
Latitude: +54.03540
Longitude: -117.37220
Bathymetry, 2- Way Traveltime: 085125
Bathymetry, Corrected Depth: 6432.0
Magnetics Total Field, 1st Sensor: 506400
Magnetics Residual Field: +06430