Survey Identifier: B00280
Format Acronym: MGD77
Data Center File Number: 03020134
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: SURVEYOR
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CAPT. W. T. TURNBULL
Survey Departure Date (yyyymmdd): 19910628
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19910711
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: ARGO
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +44
Bottommost Latitude: +42
Leftmost Longitude: -126
Rightmost Longitude: -125
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: 43 NMILES WEST OF CAPE BLANCO, OR, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 16 BEAMS, 5.1 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL HIPPY 120, HEADING_SENSOR SPERRY MK 227, TIME_INSTRUMENTATION CPU CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 2618
Min/Max Data Record:
Date: 1991 06 28
Latitude: +42.48076
Longitude: -125.67988
Bathymetry, Corrected Depth: 2513.0
Min/Max Data Record:
Date: 1991 07 11
Latitude: +43.01829
Longitude: -125.31013
Bathymetry, Corrected Depth: 3089.0