Survey Identifier: B00148
Format Acronym: MGD77
Data Center File Number: 03020112
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): 19880627
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19880630
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: -146
Rightmost Longitude: -144
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: 62 NMILES SE 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: 2479
Min/Max Data Record:
Date: 1988 06 27
Latitude: +58.48546
Longitude: -145.01995
Bathymetry, Corrected Depth: 3671.0
Min/Max Data Record:
Date: 1988 06 30
Latitude: +59.04444
Longitude: -144.49720
Bathymetry, Corrected Depth: 4137.0