Survey Identifier: MARA08WT
Format Acronym: MGD77
Data Center File Number: 15040101
Parameters Surveyed Code: 51331
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): YAYANOS A.
Project: MARIANA LEG 8 <NSF OCE76-12017>
Survey Departure Date (yyyymmdd): 19781211
Port of Departure: GUAM
Survey Arrival Date (yyyymmdd): 19781222
Port of Arrival: GUAM
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
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANALOGUE RECORDS
Topmost Latitude of Survey: +14
Bottommost Latitude: +11
Leftmost Longitude: +142
Rightmost Longitude: +145
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: 3318
Min/Max Data Record:
Date: 1978 12 11
Latitude: +11.15391
Longitude: +142.05939
Bathymetry, 2- Way Traveltime: 054200
Bathymetry, Corrected Depth: 4062.0
Min/Max Data Record:
Date: 1978 12 22
Latitude: +13.44380
Longitude: +144.66781
Bathymetry, 2- Way Traveltime: 140750
Bathymetry, Corrected Depth: 10939.0