Swath Data File: sb20011132200.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: 2106 Bathymetry Data (75 beams): Number of Beams: 157950 Number of Good Beams: 128133 81.12% Number of Zero Beams: 29517 18.69% Number of Flagged Beams: 300 0.19% Amplitude Data (75 beams): Number of Beams: 157950 Number of Good Beams: 128133 81.12% Number of Zero Beams: 29517 18.69% Number of Flagged Beams: 300 0.19% Sidescan Data (2000 pixels): Number of Pixels: 4212000 Number of Good Pixels: 3533117 83.88% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 678883 16.12% Navigation Totals: Total Time: 0.9995 hours Total Track Length: 16.6696 km Average Speed: 16.6777 km/hr ( 9.0150 knots) Start of Data: Time: 04 23 2001 22:00:01.313000 JD113 Lon: -123.6337 Lat: 48.2698 Depth: 179.1500 meters Speed: 24.4902 km/hr (13.2379 knots) Heading: 275.8690 degrees Sonar Depth: 0.0000 m Sonar Altitude: 179.1500 m End of Data: Time: 04 23 2001 22:59:59.568000 JD113 Lon: 0.0000 Lat: 0.0000 Depth: 182.5200 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 0.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 182.5200 m Limits: Minimum Longitude: -123.9579 Maximum Longitude: -123.6333 Minimum Latitude: 48.2672 Maximum Latitude: 48.3076 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 170.9800 Maximum Altitude: 192.0900 Minimum Depth: 163.5800 Maximum Depth: 195.0400 Minimum Amplitude: 28.4685 Maximum Amplitude: 92.7185 Minimum Sidescan: 3.6385 Maximum Sidescan: 42653.7814 Data Record Type Notices: DN: 2106 MB_DATA_DATA (ID=1): survey data DN: 3 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 1 MB_ERROR_TIME_GAP (ID=-1): Time gap in data EN: 3 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 17 MB_ERROR_UNINTELLIGIBLE (ID=-9): Unintelligible data record Problem Notices: PN: 36 DATA PROBLEM (ID=2): Zero longitude or latitude in survey data PN: 575 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: 1 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 0 0 1 1 1 1 0 0 0 0 CM: 0 0 0 0 1 1 1 1 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