Survey Identifier: B00129
Format Acronym: MGD77
Data Center File Number: 03090008
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): CAPT. D. E. NORTRUP
Survey Departure Date (yyyymmdd): 19880321
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19880324
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: ARGO
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +29
Bottommost Latitude: +27
Leftmost Longitude: -090
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: 57 NM EAST OF SOUTH PASS 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: 3718
Min/Max Data Record:
Date: 1988 03 21
Latitude: +27.97264
Longitude: -89.60153
Bathymetry, Corrected Depth: 829.0
Min/Max Data Record:
Date: 1988 03 24
Latitude: +28.31793
Longitude: -89.31243
Bathymetry, Corrected Depth: 1287.0