Survey Identifier: DI9301


Format Acronym: MGD77
Data Center File Number: 03030066
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): CAPT. ROBERT SMART
Survey Departure Date (yyyymmdd): 19930226
Port of Departure: AMERICAN SAMOA
Survey Arrival Date (yyyymmdd): 19930404
Port of Arrival: HILO, HI
Navigation Instrumentation: GPS
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +20
Bottommost Latitude: -11
Leftmost Longitude: -180
Rightmost Longitude: -154
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: EASTERN EQUATORIAL PACIFIC, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 15 BEAMS, 5.5 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL 120C SN# 19193C, 19007S, HEADING_SENSOR SPERRY MK, 227 S/N 396, TIME_INSTRUMENTATION VMS TIME CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 23406

Min/Max Data Record:
Date: 1993 02 26
Latitude: -10.35896
Longitude: -179.99049
Bathymetry, Corrected Depth: 1362.0

Min/Max Data Record:
Date: 1993 04 04
Latitude: +19.00122
Longitude: -154.67797
Bathymetry, Corrected Depth: 6280.0