Swath Data File: 0157_20040111_075734p.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: 1311 Bathymetry Data (191 beams): Number of Beams: 250401 Number of Good Beams: 188749 75.38% Number of Zero Beams: 31877 12.73% Number of Flagged Beams: 29775 11.89% Amplitude Data (191 beams): Number of Beams: 250401 Number of Good Beams: 188749 75.38% Number of Zero Beams: 31877 12.73% Number of Flagged Beams: 29775 11.89% Sidescan Data (1024 pixels): Number of Pixels: 1342464 Number of Good Pixels: 880318 65.57% Number of Zero Pixels: 462146 34.43% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9992 hours Total Track Length: 8.6701 km Average Speed: 8.6773 km/hr ( 4.6904 knots) Start of Data: Time: 01 11 2004 07:57:36.459000 JD11 Lon: 192.5711 Lat: -78.0663 Depth: 563.4500 meters Speed: 8.6400 km/hr ( 4.6703 knots) Heading: 91.1500 degrees Sonar Depth: 7.0800 m Sonar Altitude: 553.7100 m End of Data: Time: 01 11 2004 08:57:33.490000 JD11 Lon: 192.8798 Lat: -78.0855 Depth: 0.0000 meters Speed: 9.1440 km/hr ( 4.9427 knots) Heading: 175.1000 degrees Sonar Depth: 6.8700 m Sonar Altitude: 1021.9300 m Limits: Minimum Longitude: 192.5695 Maximum Longitude: 192.9565 Minimum Latitude: -78.0855 Maximum Latitude: -78.0556 Minimum Sonar Depth: 6.6000 Maximum Sonar Depth: 7.6800 Minimum Altitude: 0.0000 Maximum Altitude: 1072.9300 Minimum Depth: 528.4200 Maximum Depth: 608.3000 Minimum Amplitude: 0.0000 Maximum Amplitude: 59.5000 Minimum Sidescan: 0.0100 Maximum Sidescan: 125.5400 Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1