Survey Identifier: B00286


Format Acronym: MGD77
Data Center File Number: 03090075
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): 19910714
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19910723
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: -094
Rightmost Longitude: -092
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: 156 NM SOUTH OF CALCASIEU PASS, 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: 10771

Min/Max Data Record:
Date: 1991 07 14
Latitude: +26.99646
Longitude: -93.34448
Bathymetry, Corrected Depth: 519.0

Min/Max Data Record:
Date: 1991 07 23
Latitude: +27.50742
Longitude: -92.98815
Bathymetry, Corrected Depth: 1686.0