Survey Identifier: B00238
Format Acronym: MGD77
Data Center File Number: 03080024
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): 19900808
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19900826
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: -091
Rightmost Longitude: -089
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: 67 NM SW 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: 5678
Min/Max Data Record:
Date: 1990 08 08
Latitude: +27.98710
Longitude: -90.37081
Bathymetry, Corrected Depth: 113.0
Min/Max Data Record:
Date: 1990 08 26
Latitude: +28.31309
Longitude: -89.97607
Bathymetry, Corrected Depth: 615.0