Swath Data File: sb201009211945.mb41 MBIO Data Format ID: 41 Format name: MBF_SB2100RW Informal Description: SeaBeam 2100 series vender format Attributes: SeaBeam 2100, bathymetry, amplitude and sidescan, 151 beams and 2000 pixels, ascii with binary sidescan, SeaBeam Instruments. Data Totals: Number of Records: 400 Bathymetry Data (151 beams): Number of Beams: 60400 Number of Good Beams: 39440 65.30% Number of Zero Beams: 13325 22.06% Number of Flagged Beams: 7635 12.64% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 39440 65.30% Number of Zero Beams: 13325 22.06% Number of Flagged Beams: 7635 12.64% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 411051 51.38% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 388949 48.62% Navigation Totals: Total Time: 0.2668 hours Total Track Length: 0.2345 km Average Speed: 0.8788 km/hr ( 0.4750 knots) Start of Data: Time: 09 21 2010 19:43:52.753000 JD264 (2010-09-21T19:43:52.753000) Lon: -69.966208333 Lat: 39.884595000 Depth: 522.2000 meters Speed: 0.9277 km/hr ( 0.5014 knots) Heading: 60.9000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 522.2000 m End of Data: Time: 09 21 2010 19:59:53.309000 JD264 (2010-09-21T19:59:53.309000) Lon: -69.966381667 Lat: 39.884810000 Depth: 521.4000 meters Speed: 0.9277 km/hr ( 0.5014 knots) Heading: 61.8000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 521.4000 m Limits: Minimum Longitude: -69.971394751 Maximum Longitude: -69.958598979 Minimum Latitude: 39.874836596 Maximum Latitude: 39.891534900 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 518.5000 Maximum Altitude: 533.5000 Minimum Depth: 468.4000 Maximum Depth: 1023.3000 Minimum Amplitude: 42.2500 Maximum Amplitude: 76.5000 Minimum Sidescan: 0.5623 Maximum Sidescan: 9145.9193 Data Record Type Notices: DN: 400 MB_DATA_DATA (ID=1): survey data Nonfatal Error Notices: Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 0 1 1 1 1 0 0 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1