Survey Identifier: B00265
Format Acronym: MGD77
Data Center File Number: 03080003
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): 19910423
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19910428
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: +27
Bottommost Latitude: +25
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 THE FULL RESOLUTION DATA, LOCATION: 55 NM ENE OF PORT ISABEL, TX, SYSTEM SPECS: GENERAL INSTRUMENTS HYDROCHART II, 36 KHZ, 17 BEAMS, DRAFT 3.3M, 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: 5846
Min/Max Data Record:
Date: 1991 04 23
Latitude: +25.99377
Longitude: -96.36026
Bathymetry, Corrected Depth: 104.0
Min/Max Data Record:
Date: 1991 04 28
Latitude: +26.50441
Longitude: -95.98947
Bathymetry, Corrected Depth: 1067.0