Survey Identifier: B00177
Format Acronym: MGD77
Data Center File Number: 03030049
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): J.K.CALLAHAN JR.
Survey Departure Date (yyyymmdd): 19890521
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19890617
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: ARGO
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +39
Bottommost Latitude: +37
Leftmost Longitude: -124
Rightmost Longitude: -123
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: 50 NM WEST OF SAN FRANCISCO, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 16 BEAMS, 5.4 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL HIPPY 120, HEADING_SENSOR SPERRY MK 227, TIME_INSTRUMENTATION SYSTEM CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLW (NOT TIDE CORRECTED), DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 4917
Min/Max Data Record:
Date: 1989 05 21
Latitude: +37.47739
Longitude: -123.66711
Bathymetry, Corrected Depth: 144.0
Min/Max Data Record:
Date: 1989 06 17
Latitude: +38.02511
Longitude: -123.32722
Bathymetry, Corrected Depth: 3399.0