Swath Data File: sb199809112354_ep.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: 316 Bathymetry Data (151 beams): Number of Beams: 47716 Number of Good Beams: 29670 62.18% Number of Zero Beams: 15041 31.52% Number of Flagged Beams: 3005 6.30% Amplitude Data (151 beams): Number of Beams: 47716 Number of Good Beams: 29670 62.18% Number of Zero Beams: 15041 31.52% Number of Flagged Beams: 3005 6.30% Sidescan Data (2000 pixels): Number of Pixels: 632000 Number of Good Pixels: 617454 97.70% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 14546 2.30% Navigation Totals: Total Time: 1.1099 hours Total Track Length: 31.1377 km Average Speed: 28.0537 km/hr (15.1641 knots) Start of Data: Time: 09 11 1998 23:51:35.144000 JD254 Lon: -153.5150 Lat: 17.5561 Depth: 4983.6001 meters Speed: 15.7702 km/hr ( 8.5244 knots) Heading: 89.4220 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4983.6001 m End of Data: Time: 09 12 1998 00:58:10.899000 JD255 Lon: -153.5282 Lat: 17.5433 Depth: 4935.7002 meters Speed: 27.4587 km/hr (14.8425 knots) Heading: 318.0400 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4935.7002 m Limits: Minimum Longitude: -153.6957 Maximum Longitude: -153.4551 Minimum Latitude: 17.4665 Maximum Latitude: 17.6097 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4910.7002 Maximum Altitude: 5092.7002 Minimum Depth: 4851.2002 Maximum Depth: 5239.2002 Minimum Amplitude: 44.5284 Maximum Amplitude: 93.7784 Minimum Sidescan: 1.1924 Maximum Sidescan: 79727.6254 Data Record Type Notices: DN: 316 MB_DATA_DATA (ID=1): survey data DN: 37 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 37 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: 0 0 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: 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 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 0 0 0