Swath Data File: 0040_20040106_132637p.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: 1144 Bathymetry Data (191 beams): Number of Beams: 218504 Number of Good Beams: 209316 95.80% Number of Zero Beams: 5483 2.51% Number of Flagged Beams: 3705 1.70% Amplitude Data (191 beams): Number of Beams: 218504 Number of Good Beams: 209316 95.80% Number of Zero Beams: 5483 2.51% Number of Flagged Beams: 3705 1.70% Sidescan Data (1024 pixels): Number of Pixels: 1171456 Number of Good Pixels: 971280 82.91% Number of Zero Pixels: 200176 17.09% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9997 hours Total Track Length: 8.2878 km Average Speed: 8.2904 km/hr ( 4.4813 knots) Start of Data: Time: 01 06 2004 13:26:38.032000 JD6 Lon: 172.9792 Lat: -76.8869 Depth: 574.8000 meters Speed: 8.1360 km/hr ( 4.3978 knots) Heading: 161.5900 degrees Sonar Depth: 6.9400 m Sonar Altitude: 560.9200 m End of Data: Time: 01 06 2004 14:26:36.911000 JD6 Lon: 173.0857 Lat: -76.9566 Depth: 574.4900 meters Speed: 8.1720 km/hr ( 4.4173 knots) Heading: 180.9400 degrees Sonar Depth: 7.0700 m Sonar Altitude: 560.3500 m Limits: Minimum Longitude: 172.9306 Maximum Longitude: 173.1303 Minimum Latitude: -76.9566 Maximum Latitude: -76.8833 Minimum Sonar Depth: 6.8700 Maximum Sonar Depth: 7.1100 Minimum Altitude: 554.0800 Maximum Altitude: 566.6300 Minimum Depth: 549.7400 Maximum Depth: 608.1800 Minimum Amplitude: 17.0000 Maximum Amplitude: 60.0000 Minimum Sidescan: 0.6300 Maximum Sidescan: 75.3000 Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1