Survey Identifier: RNDB09WT
Format Acronym: MGD77
Data Center File Number: 15040183
Parameters Surveyed Code: 51311
File Creation Date (yyyymmdd): 19
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V T.WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): TRANSIT LEG
Project: ROUNDABOUT LEG 09
Funding: NSF OCE86-16368
Survey Departure Date (yyyymmdd): 19881025
Port of Departure: DUTCH HARBOR,AK
Survey Arrival Date (yyyymmdd): 19881105
Port of Arrival: TOKYO,JAPAN
Navigation Instrumentation: GPS,SATNAV,AUTO LOG GYRO+2D DOPPLER SPD
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: SEABEAM VERTICAL BEAM (2&2/3 DEG)
Additional Forms of Bathymetric Data: DIGITAL MAG. TAPE
Gravity Instrumentation: BELL BGM-3 METER
Additional Forms of Gravity Data: DIGITAL MAG TAPE
Topmost Latitude of Survey: +55
Bottommost Latitude: +34
Leftmost Longitude: +139
Rightmost Longitude: -166
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1PING IN H2O
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE AVERAGES EXTRACTED FROM SEABEAM VERTICAL BEAMS
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 01
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: SYSTEM IGSN 71
Corrections Applied: EOTVOS AND METER DRIFT
Additional Documentation: PROCESSED BY SIO GEOLOGICAL DATA CENTER. DEPTHS CORRECTED FOR 5 METER SHIP DRAFT. TRANSIT LEG - NO CHIEF SCIENTIST
Number of Data Records: 12745
Min/Max Data Record:
Date: 1988 10 25
Latitude: +34.76306
Longitude: -179.99883
Bathymetry, 2- Way Traveltime: 001200
Bathymetry, Corrected Depth: 90.0
Min/Max Data Record:
Date: 1988 11 05
Latitude: +54.10926
Longitude: +179.99622
Bathymetry, 2- Way Traveltime: 099480
Bathymetry, Corrected Depth: 7576.0