Swath Data File: sb199809180902_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: 237 Bathymetry Data (151 beams): Number of Beams: 35787 Number of Good Beams: 22712 63.46% Number of Zero Beams: 9897 27.66% Number of Flagged Beams: 3178 8.88% Amplitude Data (151 beams): Number of Beams: 35787 Number of Good Beams: 22712 63.46% Number of Zero Beams: 9897 27.66% Number of Flagged Beams: 3178 8.88% Sidescan Data (2000 pixels): Number of Pixels: 474000 Number of Good Pixels: 346674 73.14% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 127326 26.86% Navigation Totals: Total Time: 0.9693 hours Total Track Length: 12.7280 km Average Speed: 13.1308 km/hr ( 7.0977 knots) Start of Data: Time: 09 18 1998 09:00:10.015000 JD261 Lon: -155.3269 Lat: 18.5994 Depth: 4348.2002 meters Speed: 16.3268 km/hr ( 8.8253 knots) Heading: 87.6940 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4348.2002 m End of Data: Time: 09 18 1998 09:58:19.587000 JD261 Lon: -155.1709 Lat: 18.5998 Depth: 5116.2002 meters Speed: 16.5123 km/hr ( 8.9256 knots) Heading: 96.6350 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5116.2002 m Limits: Minimum Longitude: -155.3309 Maximum Longitude: -155.1620 Minimum Latitude: 18.5046 Maximum Latitude: 18.6953 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4348.2002 Maximum Altitude: 5179.2002 Minimum Depth: 4100.7002 Maximum Depth: 5210.7998 Minimum Amplitude: 40.2784 Maximum Amplitude: 97.0284 Minimum Sidescan: 2.0116 Maximum Sidescan: 81687.9573 Data Record Type Notices: DN: 237 MB_DATA_DATA (ID=1): survey data DN: 15 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 15 MB_ERROR_COMMENT (ID=-5): Comment record EN: 2 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 1 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 1 1 0 1 1 1 1 1 1 1 CM: 1 1 0 1 1 1 1 1 1 1 CM: 1 1 0 1 1 1 1 1 1 1 CM: 1 1 0 1 1 1 1 1 1 1 CM: 1 1 0 1 1 1 1 1 1 1 CM: 1 1 0 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 0 1 1 1 1 1 1 CM: 1 1 1 0 1 1 1 1 1 1 CM: 1 1 1 0 1 1 1 1 1 1