Swath Data File: 0498_20031031_103751p.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. Metadata: Vessel: Revelle Institution: SIO Platform: Ship Sonar: Simrad_EM-120 Sonar Version: EM120_Version_5.2u1-Kongsberg_Simrad_Norway_A/S_Horten Cruise ID: DANA02RR Cruise Name: Dana_Expedition_Leg_02 PI: Dr._Peter_Lonsdale PI Institution: Scripps_Institution_of_Oceanography Client: NSF/OCE0203636 Corrected Depths: YES Tide Corrected: NO Depths Manually Edited: NO Depths Auto-Edited: NO Roll Bias: -0.490000 degrees Pitch Bias: 0.140000 degrees Heading Bias: 0.000000 degrees Draft: 6.000000 m Data Totals: Number of Records: 174 Bathymetry Data (191 beams): Number of Beams: 33234 Number of Good Beams: 30984 93.23% Number of Zero Beams: 2250 6.77% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 33234 Number of Good Beams: 30984 93.23% Number of Zero Beams: 2250 6.77% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 178176 Number of Good Pixels: 177152 99.43% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.57% Navigation Totals: Total Time: 0.9950 hours Total Track Length: 21.8008 km Average Speed: 21.9111 km/hr (11.8439 knots) Start of Data: Time: 10 31 2003 10:38:07.720000 JD304 Lon: -83.7011 Lat: -5.5365 Depth: 3597.2500 meters Speed: 10.8000 km/hr ( 5.8378 knots) Heading: 55.6800 degrees Sonar Depth: 5.4100 m Sonar Altitude: 2241.5200 m End of Data: Time: 10 31 2003 11:37:49.597000 JD304 Lon: -83.5393 Lat: -5.4257 Depth: 2057.6700 meters Speed: 22.6800 km/hr (12.2595 knots) Heading: 61.8900 degrees Sonar Depth: 5.8300 m Sonar Altitude: 2063.4400 m Limits: Minimum Longitude: -83.7631 Maximum Longitude: -83.5016 Minimum Latitude: -5.6198 Maximum Latitude: -5.3509 Minimum Sonar Depth: 5.0000 Maximum Sonar Depth: 6.3900 Minimum Altitude: 1904.6400 Maximum Altitude: 2567.2800 Minimum Depth: 1801.5100 Maximum Depth: 4373.8700 Minimum Amplitude: -43.0000 Maximum Amplitude: 10.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 75.0000 Data Record Type Notices: DN: 174 MB_DATA_DATA (ID=1): survey data DN: 56 MB_DATA_COMMENT (ID=2): comment DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 1 MB_DATA_START (ID=10): Simrad start datagram DN: 3582 MB_DATA_NAV (ID=12): Navigation record DN: 13 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3578 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 359 MB_DATA_HEADING (ID=17): Heading record DN: 3581 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 18 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 56 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11133 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 1 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 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 0 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0