Survey Identifier: B00067
Format Acronym: MGD77
Data Center File Number: 03180018
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19961104
Source Institution: NOAA - National Ocean Service
Country: USA
Platform Name: Davidson
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CDR D. W. YEAGER, CMDG, NOAA
Survey Departure Date (yyyymmdd): 19860820
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19860824
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: RAYDIST
Bathymetry Instrumentation: BSSS (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +45
Bottommost Latitude: +43
Leftmost Longitude: -125
Rightmost Longitude: -124
General Digitizing Rate of Bathymetry: 013
General Sampling Rate of Bathymetry: VAR W/ DEPTH
Interpolation Scheme: 1 MINUTE EXTRACTIONS CLOSEST TO THE MINUTE (VERTICAL BM)
Additional Documentation: COMPLETE META DATA FOUND IN HEADER FILES ACCOMPANYING FULL RESOLUTION DATA, SYSTEM SPECS: GENERAL INSTRUMENTS BSSS, 36 KHZ, 15 BEAMS, 3.4 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL 19004, VELOCITY_SENSOR PLESSY 5632, HEADING_SENSOR SPERRY, TIME_INSTRUMENTATION CAMAC CRATE INTERFACE CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD, ORIGINAL DATA HAS BEEN REPROCESSED TO FIT THE SEABEAM FORMAT
Number of Data Records: 2902
Min/Max Data Record:
Date: 1986 08 20
Latitude: +43.94560
Longitude: -124.84930
Bathymetry, Corrected Depth: 71.0
Min/Max Data Record:
Date: 1986 08 24
Latitude: +44.21284
Longitude: -124.78876
Bathymetry, Corrected Depth: 144.0