Swath Data File: 0185_20040112_110057p.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: 1353 Bathymetry Data (191 beams): Number of Beams: 258423 Number of Good Beams: 239267 92.59% Number of Zero Beams: 7918 3.06% Number of Flagged Beams: 11238 4.35% Amplitude Data (191 beams): Number of Beams: 258423 Number of Good Beams: 239267 92.59% Number of Zero Beams: 7918 3.06% Number of Flagged Beams: 11238 4.35% Sidescan Data (1024 pixels): Number of Pixels: 1385472 Number of Good Pixels: 1122040 80.99% Number of Zero Pixels: 263432 19.01% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9989 hours Total Track Length: 8.7172 km Average Speed: 8.7273 km/hr ( 4.7174 knots) Start of Data: Time: 01 12 2004 11:01:00.019000 JD12 Lon: 186.9346 Lat: -78.3367 Depth: 462.0300 meters Speed: 8.2800 km/hr ( 4.4757 knots) Heading: 356.4900 degrees Sonar Depth: 6.8600 m Sonar Altitude: 449.3400 m End of Data: Time: 01 12 2004 12:00:55.888000 JD12 Lon: 187.2354 Lat: -78.3158 Depth: 439.6100 meters Speed: 8.7840 km/hr ( 4.7481 knots) Heading: 95.7900 degrees Sonar Depth: 6.9500 m Sonar Altitude: 425.6900 m Limits: Minimum Longitude: 186.8825 Maximum Longitude: 187.2390 Minimum Latitude: -78.3371 Maximum Latitude: -78.3052 Minimum Sonar Depth: 6.5000 Maximum Sonar Depth: 7.1600 Minimum Altitude: 423.3000 Maximum Altitude: 471.6800 Minimum Depth: 426.7900 Maximum Depth: 515.7800 Minimum Amplitude: 17.0000 Maximum Amplitude: 59.0000 Minimum Sidescan: 0.0400 Maximum Sidescan: 70.6000 Coverage Mask: CM dimensions: 10 10 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 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 0 1 1 1 1 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0