Survey Identifier: RAMA01WT


Format Acronym: MGD77
Data Center File Number: 15040107
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19820511
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SPIESS F.N.
Project: RAMA LEG 1 <NSF OCE77-23258>
Survey Departure Date (yyyymmdd): 19800311
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19800417
Port of Arrival: HONOLULU,HAWAII
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(3.5KHZ)
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +33
Bottommost Latitude: +00
Leftmost Longitude: -158
Rightmost Longitude: -117
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: 10940

Min/Max Data Record:
Date: 1980 03 11
Latitude: +0.91270
Longitude: -157.95259
Bathymetry, 2- Way Traveltime: 028875
Bathymetry, Corrected Depth: 2148.0
Magnetics Total Field, 1st Sensor: 324520
Magnetics Residual Field: -03810

Min/Max Data Record:
Date: 1980 04 17
Latitude: +32.54780
Longitude: -117.31579
Bathymetry, 2- Way Traveltime: 087500
Bathymetry, Corrected Depth: 6642.0
Magnetics Total Field, 1st Sensor: 463450
Magnetics Residual Field: +11270