Survey Identifier: B00031
Format Acronym: MGD77
Data Center File Number: 03180011
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19961105
Source Institution: NOAA - National Ocean Service
Country: USA
Platform Name: Davidson
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CDR T. W. RICHARDS, CMDG, NOAA
Survey Departure Date (yyyymmdd): 19850925
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19851025
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: RAYDIST
Bathymetry Instrumentation: BSSS (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +38
Bottommost Latitude: +36
Leftmost Longitude: -124
Rightmost Longitude: -122
General Digitizing Rate of Bathymetry: 012
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, 3.6 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: 8075
Min/Max Data Record:
Date: 1985 09 25
Latitude: +36.97978
Longitude: -123.09682
Bathymetry, Corrected Depth: 32.0
Min/Max Data Record:
Date: 1985 10 25
Latitude: +37.50797
Longitude: -122.66045
Bathymetry, Corrected Depth: 801.0