Survey Identifier: B00152


Format Acronym: MGD77
Data Center File Number: 03020115
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. L. STUBBLEFIELD
Survey Departure Date (yyyymmdd): 19880712
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19880719
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: -147
Rightmost Longitude: -145
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 :40 NMILES SOUTH 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, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 3349

Min/Max Data Record:
Date: 1988 07 12
Latitude: +58.48215
Longitude: -146.52470
Bathymetry, Corrected Depth: 1999.0

Min/Max Data Record:
Date: 1988 07 19
Latitude: +59.02020
Longitude: -145.98019
Bathymetry, Corrected Depth: 4761.0