Survey Identifier: RAMA13WT
Format Acronym: MGD77
Data Center File Number: 15040120
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): CIESLUK A.
Project: RAMA LEG 13 <NSF OCE80-24472,DMA 800-81-C-0023>
Survey Departure Date (yyyymmdd): 19810510
Port of Departure: AGANA,GUAM
Survey Arrival Date (yyyymmdd): 19810602
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: 12KHZ/PDR RECORDER/WIDE(60DEG)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: +53
Bottommost Latitude: +13
Leftmost Longitude: +144
Rightmost Longitude: -176
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: 6858
Min/Max Data Record:
Date: 1981 05 10
Latitude: +13.45560
Longitude: -179.99460
Bathymetry, 2- Way Traveltime: 004375
Bathymetry, Corrected Depth: 320.0
Magnetics Total Field, 1st Sensor: 362650
Magnetics Residual Field: -08190
Min/Max Data Record:
Date: 1981 06 02
Latitude: +52.03700
Longitude: +179.98240
Bathymetry, 2- Way Traveltime: 096300
Bathymetry, Corrected Depth: 7314.0
Magnetics Total Field, 1st Sensor: 487710
Magnetics Residual Field: +07410