Swath Data File: sb20092071900.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: 1156 Bathymetry Data (75 beams): Number of Beams: 86700 Number of Good Beams: 70456 81.26% Number of Zero Beams: 16244 18.74% Number of Flagged Beams: 0 0.00% Amplitude Data (75 beams): Number of Beams: 86700 Number of Good Beams: 70456 81.26% Number of Zero Beams: 16244 18.74% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 2312000 Number of Good Pixels: 166256 7.19% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 2145744 92.81% Navigation Totals: Total Time: 0.9432 hours Total Track Length: 3.9609 km Average Speed: 4.1995 km/hr ( 2.2700 knots) Start of Data: Time: 07 26 2009 19:03:23.151000 JD207 Lon: -155.6930 Lat: 71.5740 Depth: 161.8300 meters Speed: 8.5345 km/hr ( 4.6132 knots) Heading: 263.0670 degrees Sonar Depth: 0.0000 m Sonar Altitude: 161.8300 m End of Data: Time: 07 26 2009 19:59:58.646000 JD207 Lon: -155.6594 Lat: 71.5811 Depth: 156.1300 meters Speed: 19.2953 km/hr (10.4299 knots) Heading: 133.6860 degrees Sonar Depth: 0.0000 m Sonar Altitude: 156.1300 m Limits: Minimum Longitude: -155.7219 Maximum Longitude: -155.6539 Minimum Latitude: 71.5714 Maximum Latitude: 71.5892 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 153.6100 Maximum Altitude: 171.1000 Minimum Depth: 152.8700 Maximum Depth: 177.4200 Minimum Amplitude: 26.2185 Maximum Amplitude: 71.9685 Minimum Sidescan: 14.3566 Maximum Sidescan: 5014.5646 Data Record Type Notices: DN: 1156 MB_DATA_DATA (ID=1): survey data DN: 6 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 1 MB_ERROR_TIME_GAP (ID=-1): Time gap in data EN: 6 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 0 0 0 1 1 1 1 CM: 1 1 1 0 0 0 0 1 1 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 0 1 1 1 0 0 0 0 0