Survey Identifier: MARA12WT
Format Acronym: MGD77
Data Center File Number: 15040105
Parameters Surveyed Code: 51131
File Creation Date (yyyymmdd): 19811007
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SMITH K.
Project: MARIANA LEG 12
Survey Departure Date (yyyymmdd): 19790806
Port of Departure: HONOLULU,HAWAII
Survey Arrival Date (yyyymmdd): 19790903
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: 3.5KHZ/RAYTHEON UGR RECORDER/WIDE BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Topmost Latitude of Survey: +32
Bottommost Latitude: +21
Leftmost Longitude: -161
Rightmost Longitude: -157
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
Sensor Depth: 9
Number of Data Records: 8192
Min/Max Data Record:
Date: 1979 08 06
Latitude: +21.25180
Longitude: -160.03531
Bathymetry, 2- Way Traveltime: 069325
Bathymetry, Corrected Depth: 5218.0
Min/Max Data Record:
Date: 1979 09 03
Latitude: +31.62320
Longitude: -157.71419
Bathymetry, 2- Way Traveltime: 080300
Bathymetry, Corrected Depth: 6070.0