Swath Data File: sb199808271022_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: 36867 61.04% Number of Zero Beams: 17887 29.61% Number of Flagged Beams: 5646 9.35% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 36867 61.04% Number of Zero Beams: 17887 29.61% Number of Flagged Beams: 5646 9.35% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 385248 48.16% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 414752 51.84% Navigation Totals: Total Time: 1.3325 hours Total Track Length: 36.6108 km Average Speed: 27.4756 km/hr (14.8517 knots) Start of Data: Time: 08 27 1998 10:19:44.057000 JD239 Lon: -156.3706 Lat: 22.5815 Depth: 4464.7002 meters Speed: 27.6442 km/hr (14.9428 knots) Heading: 227.9940 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4464.7002 m End of Data: Time: 08 27 1998 11:39:41.008000 JD239 Lon: -156.6340 Lat: 22.3594 Depth: 4708.2002 meters Speed: 27.4587 km/hr (14.8425 knots) Heading: 227.8000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4708.2002 m Limits: Minimum Longitude: -156.6832 Maximum Longitude: -156.3225 Minimum Latitude: 22.3096 Maximum Latitude: 22.6305 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 1071.1000 Maximum Altitude: 4710.5000 Minimum Depth: 4314.2002 Maximum Depth: 4747.6001 Minimum Amplitude: 45.7397 Maximum Amplitude: 96.4897 Minimum Sidescan: 5.6301 Maximum Sidescan: 93532.1475 Data Record Type Notices: DN: 400 MB_DATA_DATA (ID=1): survey data DN: 15 MB_DATA_COMMENT (ID=2): comment DN: 3 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 15 MB_ERROR_COMMENT (ID=-5): Comment record EN: 3 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0