Survey Identifier: B00196


Format Acronym: MGD77
Data Center File Number: 03090033
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): 19890828
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19890910
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +28
Bottommost Latitude: +26
Leftmost Longitude: -091
Rightmost Longitude: -089
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: 110 NM SOUTH OF BARATARIA BAY, LA, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 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: 6446

Min/Max Data Record:
Date: 1989 08 28
Latitude: +26.99842
Longitude: -90.00540
Bathymetry, Corrected Depth: 1131.0

Min/Max Data Record:
Date: 1989 09 10
Latitude: +27.50015
Longitude: -89.66098
Bathymetry, Corrected Depth: 2427.0