Swath Data File: 0217_20040113_192351p.mb57 MBIO Data Format ID: 57 Format name: MBF_EM300MBA Informal Description: Simrad multibeam processing format Attributes: Old and new Simrad multibeams, EM12S, EM12D, EM121, EM120, EM300, EM100, EM1000, EM950, EM1002, EM3000, bathymetry, amplitude, and sidescan, up to 254 beams, variable pixels, ascii + binary, MBARI. Data Totals: Number of Records: 1382 Bathymetry Data (191 beams): Number of Beams: 263962 Number of Good Beams: 224220 84.94% Number of Zero Beams: 32368 12.26% Number of Flagged Beams: 7374 2.79% Amplitude Data (191 beams): Number of Beams: 263962 Number of Good Beams: 224220 84.94% Number of Zero Beams: 32368 12.26% Number of Flagged Beams: 7374 2.79% Sidescan Data (1024 pixels): Number of Pixels: 1415168 Number of Good Pixels: 1023913 72.35% Number of Zero Pixels: 391255 27.65% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9996 hours Total Track Length: 10.2935 km Average Speed: 10.2972 km/hr ( 5.5661 knots) Start of Data: Time: 01 13 2004 19:23:52.903000 JD13 Lon: 188.1174 Lat: -78.1453 Depth: 493.2800 meters Speed: 0.5760 km/hr ( 0.3114 knots) Heading: 137.0400 degrees Sonar Depth: 6.8700 m Sonar Altitude: 479.4700 m End of Data: Time: 01 13 2004 20:23:51.606000 JD13 Lon: 187.7799 Lat: -78.1888 Depth: 435.9800 meters Speed: 19.1520 km/hr (10.3524 knots) Heading: 230.6500 degrees Sonar Depth: 7.0600 m Sonar Altitude: 421.8600 m Limits: Minimum Longitude: 187.7555 Maximum Longitude: 188.1586 Minimum Latitude: -78.1952 Maximum Latitude: -78.1272 Minimum Sonar Depth: 6.6100 Maximum Sonar Depth: 7.3600 Minimum Altitude: 0.0000 Maximum Altitude: 485.7200 Minimum Depth: 426.0800 Maximum Depth: 533.8800 Minimum Amplitude: 0.5000 Maximum Amplitude: 64.0000 Minimum Sidescan: 0.0100 Maximum Sidescan: 120.4700 Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0