Swath Data File: sb199809061048_e.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: 40365 66.83% Number of Zero Beams: 16837 27.88% Number of Flagged Beams: 3198 5.29% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 40365 66.83% Number of Zero Beams: 16837 27.88% Number of Flagged Beams: 3198 5.29% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 659947 82.49% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 140053 17.51% Navigation Totals: Total Time: 1.2918 hours Total Track Length: 34.7370 km Average Speed: 26.8901 km/hr (14.5352 knots) Start of Data: Time: 09 06 1998 10:46:18.734000 JD249 Lon: -156.7463 Lat: 22.9298 Depth: 4357.2998 meters Speed: 26.3455 km/hr (14.2408 knots) Heading: 133.5270 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4357.2998 m End of Data: Time: 09 06 1998 12:03:49.258000 JD249 Lon: -156.8295 Lat: 22.9130 Depth: 4355.1001 meters Speed: 28.0153 km/hr (15.1434 knots) Heading: 223.3520 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4355.1001 m Limits: Minimum Longitude: -156.8787 Maximum Longitude: -156.6022 Minimum Latitude: 22.7618 Maximum Latitude: 22.9808 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4343.2002 Maximum Altitude: 4417.2002 Minimum Depth: 4201.2002 Maximum Depth: 4555.7998 Minimum Amplitude: 43.2784 Maximum Amplitude: 90.2784 Minimum Sidescan: 3.7886 Maximum Sidescan: 44293.5830 Data Record Type Notices: DN: 400 MB_DATA_DATA (ID=1): survey data DN: 15 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 15 MB_ERROR_COMMENT (ID=-5): Comment record EN: 2 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 0 0