Survey Identifier: B00285


Format Acronym: MGD77
Data Center File Number: 03080013
Parameters Surveyed Code: 5
File Creation Date (yyyymmdd): 19920602
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: Whiting
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): COMM R. P. FLOYD
Survey Departure Date (yyyymmdd): 19910626
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19910726
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: ARGO
Geodetic Datum/Position: GPS (CALIBRATION) -SECONDARY
Bathymetry Instrumentation: HYDROCHART II (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +28
Bottommost Latitude: +27
Leftmost Longitude: -097
Rightmost Longitude: -095
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: 55 NM SSE OF PORT ARANSAS, TX, SYSTEM SPECS: GENERAL INSTRUMENTS HYDROCHART II, 36 KHZ, 17 BEAMS, 3.3 METER, DRAFT, ROLL_PITCH_SENSOR DATAWELL S/7 19109-C, HEADING_SENSOR SPERRY MK 227, S/7 308, TIME_INSTRUMENTATION MICROVAX CPU CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 5345

Min/Max Data Record:
Date: 1991 06 26
Latitude: +27.24289
Longitude: -96.38980
Bathymetry, Corrected Depth: 138.0

Min/Max Data Record:
Date: 1991 07 26
Latitude: +27.60188
Longitude: -95.99545
Bathymetry, Corrected Depth: 479.0