Survey Identifier: B00012
Format Acronym: MGD77
Data Center File Number: 03180005
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19961106
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): 19850502
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19850601
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: RAYDIST
Bathymetry Instrumentation: BSSS (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +39
Bottommost Latitude: +37
Leftmost Longitude: -124
Rightmost Longitude: -123
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, 3.6 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: 8826
Min/Max Data Record:
Date: 1985 05 02
Latitude: +37.98117
Longitude: -123.65518
Bathymetry, Corrected Depth: 54.0
Min/Max Data Record:
Date: 1985 06 01
Latitude: +38.40403
Longitude: -123.31146
Bathymetry, Corrected Depth: 942.0