Survey Identifier: B00186
Format Acronym: MGD77
Data Center File Number: 03090029
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: MT. MITCHELL
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.K.MATSUSHIGE
Survey Departure Date (yyyymmdd): 19890510
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19890713
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +28
Bottommost Latitude: +27
Leftmost Longitude: -091
Rightmost Longitude: -089
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: 102 NM SOUTH SOUTHWEST OF SOUTH PASS LIGHT, LA, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 16 BEAMS, 4.4 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL HIPPY 120, HEADING_SENSOR SPERRY MK 227, TIME_INSTRUMENTATION SYSTEM CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW (NOT TIDE CORRECTED), DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 6461
Min/Max Data Record:
Date: 1989 05 10
Latitude: +26.99954
Longitude: -90.33923
Bathymetry, Corrected Depth: 1093.0
Min/Max Data Record:
Date: 1989 07 13
Latitude: +27.50391
Longitude: -89.99453
Bathymetry, Corrected Depth: 2449.0