Survey Identifier: B00111


Format Acronym: MGD77
Data Center File Number: 03020153
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19950531
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: SURVEYOR
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CAPT. W.F. FORSTER, NOAA
Survey Departure Date (yyyymmdd): 19870605
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19870625
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: ARGO
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +60
Bottommost Latitude: +58
Leftmost Longitude: -148
Rightmost Longitude: -146
General Digitizing Rate of Bathymetry: 013
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: 28 NAUTICAL MILES WSW OF MIDDLETON, ISLAND, AK, 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, DATUMS: HORIZONTAL DATUM NAD83, VERTICAL DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 4159

Min/Max Data Record:
Date: 1987 06 05
Latitude: +58.97893
Longitude: -147.56210
Bathymetry, Corrected Depth: 196.0

Min/Max Data Record:
Date: 1987 06 25
Latitude: +59.27919
Longitude: -146.94612
Bathymetry, Corrected Depth: 2455.0