Survey Identifier: B00253


Format Acronym: MGD77
Data Center File Number: 03080029
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: WHITING
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.P.FLOYD
Survey Departure Date (yyyymmdd): 19900923
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19901007
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: GPS -secondary
Bathymetry Instrumentation: HYDROCHART II (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +29
Bottommost Latitude: +27
Leftmost Longitude: -092
Rightmost Longitude: -090
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 SOUTH OF OYSTER BAYOU, LA, SYSTEM SPECS: GENERAL INSTRUMENTS HYDROCHART II, 36 KHZ, 17 BEAMS, 3.3 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: 8393

Min/Max Data Record:
Date: 1990 09 23
Latitude: +27.49554
Longitude: -91.34671
Bathymetry, Corrected Depth: 110.0

Min/Max Data Record:
Date: 1990 10 07
Latitude: +28.04581
Longitude: -90.99047
Bathymetry, Corrected Depth: 1389.0