Survey Identifier: B00191


Format Acronym: MGD77
Data Center File Number: 03080014
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): D.R.SEIDEL
Survey Departure Date (yyyymmdd): 19890722
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19890815
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: ARGO
Geodetic Datum/Position: GPS -secondary
Bathymetry Instrumentation: HYDROCHART II (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +30
Bottommost Latitude: +28
Leftmost Longitude: -090
Rightmost Longitude: -088
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: 27NM SOUTHEAST OF SOUTH 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: 4940

Min/Max Data Record:
Date: 1989 07 22
Latitude: +28.37350
Longitude: -89.01348
Bathymetry, Corrected Depth: 127.0

Min/Max Data Record:
Date: 1989 08 15
Latitude: +29.01154
Longitude: -88.73907
Bathymetry, Corrected Depth: 1108.0