Swath Data File: sb20051240600.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: 2131 Bathymetry Data (75 beams): Number of Beams: 159825 Number of Good Beams: 129987 81.33% Number of Zero Beams: 29838 18.67% Number of Flagged Beams: 0 0.00% Amplitude Data (75 beams): Number of Beams: 159825 Number of Good Beams: 129987 81.33% Number of Zero Beams: 29838 18.67% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 4262000 Number of Good Pixels: 191051 4.48% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 4070949 95.52% Navigation Totals: Total Time: 0.9999 hours Total Track Length: 12.4647 km Average Speed: 12.4660 km/hr ( 6.7384 knots) Start of Data: Time: 05 04 2005 06:00:00.317000 JD124 Lon: -124.2473 Lat: 48.3805 Depth: 182.4900 meters Speed: 23.5625 km/hr (12.7365 knots) Heading: 292.4000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 182.4900 m End of Data: Time: 05 04 2005 06:59:59.935000 JD124 Lon: -124.5445 Lat: 48.4628 Depth: 228.8800 meters Speed: 23.7481 km/hr (12.8368 knots) Heading: 293.4000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 228.8800 m Limits: Minimum Longitude: -124.5468 Maximum Longitude: -124.2457 Minimum Latitude: 48.3778 Maximum Latitude: 48.4664 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 177.2700 Maximum Altitude: 228.8800 Minimum Depth: 176.7100 Maximum Depth: 256.2600 Minimum Amplitude: 30.4685 Maximum Amplitude: 85.9685 Minimum Sidescan: 18.4148 Maximum Sidescan: 18897.6717 Data Record Type Notices: DN: 2131 MB_DATA_DATA (ID=1): survey data DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 2 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 1162 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr 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 0 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