Survey Identifier: B00270
Format Acronym: MGD77
Data Center File Number: 03080006
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19920423
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: Whiting
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CDR RICHARD P. FLOYD
Survey Departure Date (yyyymmdd): 19910510
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19910523
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX (JOHN E. CHANCE ASSOC.)
Geodetic Datum/Position: DGPS (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: 60 NM S-SE OF COLORADO RIVER ENTRANCE, TX, SYSTEM SPECS: GENERAL INSTRUMENTS HYDROCHART II, 36 KHZ, 17 BEAMS, 3.3M DRAFT, ROLL_PITCH_SENSOR DATAWELL S/7 19109-C, VELOCITY_SENSOR SEABIRD SBE-19, HEADING_SENSOR SPERRY MK 227 S/7 308, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 7257
Min/Max Data Record:
Date: 1991 05 10
Latitude: +27.48947
Longitude: -96.00732
Bathymetry, Corrected Depth: 111.0
Min/Max Data Record:
Date: 1991 05 23
Latitude: +27.81430
Longitude: -95.32760
Bathymetry, Corrected Depth: 920.0