Survey Identifier: B00246


Format Acronym: MGD77
Data Center File Number: 03020119
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): 19900830
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19910616
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: ARGO
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +44
Bottommost Latitude: +42
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: 15 NMILES WEST OF CAPE BLANKO, 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: 6014

Min/Max Data Record:
Date: 1990 08 30
Latitude: +42.48199
Longitude: -125.02212
Bathymetry, Corrected Depth: 353.0

Min/Max Data Record:
Date: 1991 06 16
Latitude: +43.02099
Longitude: -124.74348
Bathymetry, Corrected Depth: 1795.0