Survey Identifier: B00168
Format Acronym: MGD77
Data Center File Number: 03090018
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: MT. MITCHELL
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.K.MATSUSHIGE
Survey Departure Date (yyyymmdd): 19890407
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19890423
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +27
Bottommost Latitude: +25
Leftmost Longitude: -091
Rightmost Longitude: -090
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: 160 NM SOUTH OF TERREBONNE BAY, LA, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12KHZ, 16 BEAMS, 4.4 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: 5861
Min/Max Data Record:
Date: 1989 04 07
Latitude: +25.99240
Longitude: -90.67202
Bathymetry, Corrected Depth: 2700.0
Min/Max Data Record:
Date: 1989 04 23
Latitude: +26.50451
Longitude: -90.32760
Bathymetry, Corrected Depth: 3368.0