Swath Data File: sb20051241500.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: 468 Bathymetry Data (75 beams): Number of Beams: 35100 Number of Good Beams: 28541 81.31% Number of Zero Beams: 6559 18.69% Number of Flagged Beams: 0 0.00% Amplitude Data (75 beams): Number of Beams: 35100 Number of Good Beams: 28541 81.31% Number of Zero Beams: 6559 18.69% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 936000 Number of Good Pixels: 29315 3.13% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 906685 96.87% Navigation Totals: Total Time: 0.2082 hours Total Track Length: 3.1325 km Average Speed: 15.0484 km/hr ( 8.1343 knots) Start of Data: Time: 05 04 2005 15:00:00.700000 JD124 Lon: -123.5632 Lat: 48.2078 Depth: 138.9800 meters Speed: 21.8927 km/hr (11.8339 knots) Heading: 91.9000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 138.9800 m End of Data: Time: 05 04 2005 15:12:30.089000 JD124 Lon: -123.5003 Lat: 48.2085 Depth: 137.6500 meters Speed: 23.7499 km/hr (12.8378 knots) Heading: 91.6000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 137.6500 m Limits: Minimum Longitude: -123.5633 Maximum Longitude: -123.5002 Minimum Latitude: 48.2055 Maximum Latitude: 48.2109 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 136.1400 Maximum Altitude: 142.6900 Minimum Depth: 135.2400 Maximum Depth: 154.5400 Minimum Amplitude: 47.7185 Maximum Amplitude: 80.2185 Minimum Sidescan: 112.3165 Maximum Sidescan: 9894.1815 Data Record Type Notices: DN: 468 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 1 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 195 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 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: 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: 1 1 1 1 1 1 1 1 1 1