Survey Identifier: B00291


Format Acronym: MGD77
Data Center File Number: 03090077
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): A.E.THEBERGE
Survey Departure Date (yyyymmdd): 19910804
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19910805
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +30
Bottommost Latitude: +28
Leftmost Longitude: -088
Rightmost Longitude: -087
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: 70 NM EAST OF THE MISSISSIPPI DELTA (WEST POINT), 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, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 1571

Min/Max Data Record:
Date: 1991 08 04
Latitude: +28.99024
Longitude: -87.33587
Bathymetry, Corrected Depth: 893.0

Min/Max Data Record:
Date: 1991 08 05
Latitude: +29.21298
Longitude: -87.12524
Bathymetry, Corrected Depth: 1251.0