Survey Identifier: RNDB05WT
Format Acronym: MGD77
Data Center File Number: 15040181
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 05
Funding: NSF OCE86-16368
Survey Departure Date (yyyymmdd): 19880727
Port of Departure: NEWPORT,OREGON
Survey Arrival Date (yyyymmdd): 19880803
Port of Arrival: DUTCH HARBOR, AK
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: +44
Leftmost Longitude: -167
Rightmost Longitude: -124
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. TRANSIT LEG - NO CHIEF SCIENTIST, SYST_COMMENTS DEPTHS CORRECTED FOR 5 METER SHIP DRAFT, 12.158 kHz, 16 beams, time instrumentation = Hewlett-Packard HP-5065A rubidium frequency standard. NAVI_INSTRU Amatec-Straza 2-D Doppler speed log; Sperry MK-27 Gyro; Trimble, GPS receiver, Mod 4000; Magnavox Satellite Receiver, Mod 4102; ITT Transit, Satellite Receiver, Mod 5001.
Number of Data Records: 8491
Min/Max Data Record:
Date: 1988 07 27
Latitude: +44.59880
Longitude: -166.53177
Bathymetry, 2- Way Traveltime: 000787
Bathymetry, Corrected Depth: 59.0
Min/Max Data Record:
Date: 1988 08 03
Latitude: +54.46099
Longitude: -124.04283
Bathymetry, 2- Way Traveltime: 089280
Bathymetry, Corrected Depth: 6760.0