Swath Data File: 0254_20040115_082400p.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: 883 Bathymetry Data (191 beams): Number of Beams: 168653 Number of Good Beams: 157063 93.13% Number of Zero Beams: 8555 5.07% Number of Flagged Beams: 3035 1.80% Amplitude Data (191 beams): Number of Beams: 168653 Number of Good Beams: 157063 93.13% Number of Zero Beams: 8555 5.07% Number of Flagged Beams: 3035 1.80% Sidescan Data (1024 pixels): Number of Pixels: 904192 Number of Good Pixels: 752159 83.19% Number of Zero Pixels: 152033 16.81% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9981 hours Total Track Length: 17.2391 km Average Speed: 17.2712 km/hr ( 9.3358 knots) Start of Data: Time: 01 15 2004 08:24:03.337000 JD15 Lon: 177.2220 Lat: -77.7705 Depth: 770.6700 meters Speed: 4.9680 km/hr ( 2.6854 knots) Heading: 303.2100 degrees Sonar Depth: 7.0500 m Sonar Altitude: 757.9700 m End of Data: Time: 01 15 2004 09:23:56.647000 JD15 Lon: 176.7315 Lat: -77.6574 Depth: 731.0400 meters Speed: 19.1160 km/hr (10.3330 knots) Heading: 316.9500 degrees Sonar Depth: 6.8400 m Sonar Altitude: 717.3600 m Limits: Minimum Longitude: 176.6832 Maximum Longitude: 177.2612 Minimum Latitude: -77.7833 Maximum Latitude: -77.6478 Minimum Sonar Depth: 6.7700 Maximum Sonar Depth: 7.1500 Minimum Altitude: 716.9100 Maximum Altitude: 770.0300 Minimum Depth: 709.9000 Maximum Depth: 792.3200 Minimum Amplitude: 10.5000 Maximum Amplitude: 59.0000 Minimum Sidescan: 0.1600 Maximum Sidescan: 66.0400 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