Survey Identifier: B00211


Format Acronym: MGD77
Data Center File Number: 03030056
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: DISCOVERER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): D.L.SULOFF
Survey Departure Date (yyyymmdd): 19900223
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19900328
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: ARGO
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +37
Bottommost Latitude: +35
Leftmost Longitude: -123
Rightmost Longitude: -122
General Digitizing Rate of Bathymetry: 010
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, LOCATION: 31 NM SW OF POINT SUR. CA, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 16 BEAMS, 6 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL HIPPY 120, HEADING_SENSOR SPERRY MK 227, TIME_INSTRUMENTATION SYSTEM CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW (NOT TIDE CORRECTED), DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 2620

Min/Max Data Record:
Date: 1990 02 23
Latitude: +35.48553
Longitude: -122.67427
Bathymetry, Corrected Depth: 1726.0

Min/Max Data Record:
Date: 1990 03 28
Latitude: +36.02067
Longitude: -122.32600
Bathymetry, Corrected Depth: 3746.0