Survey Identifier: B00220


Format Acronym: MGD77
Data Center File Number: 03090045
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): 19900425
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19900428
Port of Arrival: NORFOLK, VA
Navigation Instrumentation: STARFIX
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +38
Bottommost Latitude: +36
Leftmost Longitude: -075
Rightmost Longitude: -074
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: 87 NM EAST OF CAPE HENRY, VA, 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 MLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 3515

Min/Max Data Record:
Date: 1990 04 25
Latitude: +36.49473
Longitude: -74.33255
Bathymetry, Corrected Depth: 1546.0

Min/Max Data Record:
Date: 1990 04 28
Latitude: +37.00560
Longitude: -73.99920
Bathymetry, Corrected Depth: 2550.0