Survey Identifier: B00235


Format Acronym: MGD77
Data Center File Number: 03080023
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): 19900727
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19900801
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: GPS -secondary
Bathymetry Instrumentation: HYDROCHART (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +28
Bottommost Latitude: +27
Leftmost Longitude: -094
Rightmost Longitude: -093
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: 98 NM SSE OF GALVESTON BAY ENTRANCE ,TX, SYSTEM SPECS: GENERAL INSTRUMENTS HYDROCHART, 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: 4760

Min/Max Data Record:
Date: 1990 07 27
Latitude: +27.81477
Longitude: -93.88879
Bathymetry, Corrected Depth: 23.0

Min/Max Data Record:
Date: 1990 08 01
Latitude: +27.98911
Longitude: -93.56851
Bathymetry, Corrected Depth: 171.0