Survey Identifier: B00138


Format Acronym: MGD77
Data Center File Number: 03090012
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): 19880512
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19880518
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (vertical beam extraction)
Topmost Latitude of Survey: +29
Bottommost Latitude: +27
Leftmost Longitude: -089
Rightmost Longitude: -088
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: 55 NM SOUTH 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: 7031

Min/Max Data Record:
Date: 1988 05 12
Latitude: +27.98200
Longitude: -88.68569
Bathymetry, Corrected Depth: 1358.0

Min/Max Data Record:
Date: 1988 05 18
Latitude: +28.52879
Longitude: -88.30606
Bathymetry, Corrected Depth: 2242.0