Swath Data File: sb199709161718.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: 400 Bathymetry Data (151 beams): Number of Beams: 60400 Number of Good Beams: 9815 16.25% Number of Zero Beams: 42319 70.06% Number of Flagged Beams: 8266 13.69% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 9815 16.25% Number of Zero Beams: 42319 70.06% Number of Flagged Beams: 8266 13.69% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 624264 78.03% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 175736 21.97% Navigation Totals: Total Time: 0.1710 hours Total Track Length: 3.3835 km Average Speed: 19.7905 km/hr (10.6976 knots) Start of Data: Time: 09 16 1997 17:17:15.406000 JD259 Lon: -70.9930 Lat: 41.3075 Depth: 26.2300 meters Speed: 25.3473 km/hr (13.7013 knots) Heading: 37.5000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 26.2300 m End of Data: Time: 09 16 1997 17:27:30.878000 JD259 Lon: -70.9572 Lat: 41.3300 Depth: 27.0000 meters Speed: 25.8483 km/hr (13.9720 knots) Heading: 43.9560 degrees Sonar Depth: 0.0000 m Sonar Altitude: 27.0000 m Limits: Minimum Longitude: -70.9948 Maximum Longitude: -70.9561 Minimum Latitude: 41.3069 Maximum Latitude: 41.3309 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 20.8000 Maximum Altitude: 33.3600 Minimum Depth: 16.8900 Maximum Depth: 39.4100 Minimum Amplitude: 49.0387 Maximum Amplitude: 88.5387 Minimum Sidescan: 1.0640 Maximum Sidescan: 27105.0476 Data Record Type Notices: DN: 400 MB_DATA_DATA (ID=1): survey data Nonfatal Error Notices: Problem Notices: PN: 100 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0