Survey Identifier: B00239
Format Acronym: MGD77
Data Center File Number: 03080025
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): 19900810
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19900921
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: 133 NM WSW OF SOUTHWEST PASS, 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: 6936
Min/Max Data Record:
Date: 1990 08 10
Latitude: +27.51218
Longitude: -91.01293
Bathymetry, Corrected Depth: 158.0
Min/Max Data Record:
Date: 1990 09 21
Latitude: +28.00645
Longitude: -90.65200
Bathymetry, Corrected Depth: 1277.0