Survey Identifier: B00296


Format Acronym: MGD77
Data Center File Number: 03030059
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: DISCOVERER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.V.SMART
Survey Departure Date (yyyymmdd): 19910808
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19910919
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: GPS
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +20
Bottommost Latitude: +18
Leftmost Longitude: -156
Rightmost Longitude: -155
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: 14 NM SOUTHEAST OF SOUTH CAPE,HI, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 16 BEAMS, 6 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL HIPPY 120, HEADING_SENSOR SPERRY MK 227, TIME_INSTRUMENTATION SYSTEM CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW (NOT TIDE CORRECTED), DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 4981

Min/Max Data Record:
Date: 1991 08 08
Latitude: +18.47404
Longitude: -155.68778
Bathymetry, Corrected Depth: 663.0

Min/Max Data Record:
Date: 1991 09 19
Latitude: +19.02121
Longitude: -155.30477
Bathymetry, Corrected Depth: 4985.0