Survey Identifier: B00023
Format Acronym: MGD77
Data Center File Number: 03020040
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19920601
Source Institution: NOAA - NATIONAL OCEAN SERVICE
Country: USA
Platform Name: Surveyor
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CAPT W. F. FORSTER
Survey Departure Date (yyyymmdd): 19850816
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19850905
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: ARGO
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +46
Bottommost Latitude: +44
Leftmost Longitude: -126
Rightmost Longitude: -124
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: CASCADE HEAD, 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 PDP-11 CPU, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 7318
Min/Max Data Record:
Date: 1985 08 16
Latitude: +44.96587
Longitude: -125.03643
Bathymetry, Corrected Depth: 370.0
Min/Max Data Record:
Date: 1985 09 05
Latitude: +45.53427
Longitude: -124.71919
Bathymetry, Corrected Depth: 1657.0