Swath Data File: 0045_20040106_182638p.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: 1090 Bathymetry Data (191 beams): Number of Beams: 208190 Number of Good Beams: 189026 90.79% Number of Zero Beams: 6032 2.90% Number of Flagged Beams: 13132 6.31% Amplitude Data (191 beams): Number of Beams: 208190 Number of Good Beams: 189026 90.79% Number of Zero Beams: 6032 2.90% Number of Flagged Beams: 13132 6.31% Sidescan Data (1024 pixels): Number of Pixels: 1116160 Number of Good Pixels: 939700 84.19% Number of Zero Pixels: 176460 15.81% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9991 hours Total Track Length: 8.1256 km Average Speed: 8.1329 km/hr ( 4.3961 knots) Start of Data: Time: 01 06 2004 18:26:39.745000 JD6 Lon: 172.9601 Lat: -77.2499 Depth: 648.8300 meters Speed: 8.5680 km/hr ( 4.6314 knots) Heading: 176.6800 degrees Sonar Depth: 6.9400 m Sonar Altitude: 634.9500 m End of Data: Time: 01 06 2004 19:26:36.518000 JD6 Lon: 172.9284 Lat: -77.3223 Depth: 674.8800 meters Speed: 7.6680 km/hr ( 4.1449 knots) Heading: 175.5500 degrees Sonar Depth: 7.0200 m Sonar Altitude: 660.8400 m Limits: Minimum Longitude: 172.8732 Maximum Longitude: 173.0112 Minimum Latitude: -77.3230 Maximum Latitude: -77.2492 Minimum Sonar Depth: 6.8800 Maximum Sonar Depth: 7.1100 Minimum Altitude: 634.3600 Maximum Altitude: 668.4300 Minimum Depth: 632.0900 Maximum Depth: 701.8200 Minimum Amplitude: 16.5000 Maximum Amplitude: 56.0000 Minimum Sidescan: 1.5400 Maximum Sidescan: 71.0200 Coverage Mask: CM dimensions: 10 10 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 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 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