Swath Data File: 0261_20040115_152403p.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: 1184 Bathymetry Data (191 beams): Number of Beams: 226144 Number of Good Beams: 215150 95.14% Number of Zero Beams: 7646 3.38% Number of Flagged Beams: 3348 1.48% Amplitude Data (191 beams): Number of Beams: 226144 Number of Good Beams: 215150 95.14% Number of Zero Beams: 7646 3.38% Number of Flagged Beams: 3348 1.48% Sidescan Data (1024 pixels): Number of Pixels: 1212416 Number of Good Pixels: 993182 81.92% Number of Zero Pixels: 219234 18.08% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9989 hours Total Track Length: 18.5256 km Average Speed: 18.5460 km/hr (10.0248 knots) Start of Data: Time: 01 15 2004 15:24:05.898000 JD15 Lon: 173.4633 Lat: -76.9156 Depth: 498.9600 meters Speed: 19.0080 km/hr (10.2746 knots) Heading: 316.3700 degrees Sonar Depth: 6.8500 m Sonar Altitude: 485.2600 m End of Data: Time: 01 15 2004 16:24:01.951000 JD15 Lon: 172.9627 Lat: -76.7949 Depth: 574.3400 meters Speed: 18.2880 km/hr ( 9.8854 knots) Heading: 318.4200 degrees Sonar Depth: 6.8800 m Sonar Altitude: 560.5800 m Limits: Minimum Longitude: 172.9256 Maximum Longitude: 173.4942 Minimum Latitude: -76.9224 Maximum Latitude: -76.7878 Minimum Sonar Depth: 6.6700 Maximum Sonar Depth: 7.0800 Minimum Altitude: 0.0000 Maximum Altitude: 563.2400 Minimum Depth: 491.1900 Maximum Depth: 603.5400 Minimum Amplitude: 13.0000 Maximum Amplitude: 62.0000 Minimum Sidescan: 0.4000 Maximum Sidescan: 66.3500 Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1