Swath Data File: 0303_20031023_012134p.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: 264 Bathymetry Data (191 beams): Number of Beams: 50424 Number of Good Beams: 48722 96.62% Number of Zero Beams: 1702 3.38% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 50424 Number of Good Beams: 48722 96.62% Number of Zero Beams: 1702 3.38% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 270336 Number of Good Pixels: 269312 99.62% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.38% Navigation Totals: Total Time: 0.9945 hours Total Track Length: 15.3381 km Average Speed: 15.4230 km/hr ( 8.3368 knots) Start of Data: Time: 10 23 2003 01:21:51.420000 JD296 Lon: -86.1206 Lat: -5.7011 Depth: 4046.7700 meters Speed: 23.4000 km/hr (12.6486 knots) Heading: 45.4600 degrees Sonar Depth: 5.8100 m Sonar Altitude: 4029.4400 m End of Data: Time: 10 23 2003 02:21:31.606000 JD296 Lon: -86.0300 Lat: -5.5998 Depth: 3771.6200 meters Speed: 0.3960 km/hr ( 0.2141 knots) Heading: 168.7300 degrees Sonar Depth: 5.7800 m Sonar Altitude: 3765.8400 m Limits: Minimum Longitude: -86.1999 Maximum Longitude: -85.9183 Minimum Latitude: -5.7816 Maximum Latitude: -5.4812 Minimum Sonar Depth: 4.7400 Maximum Sonar Depth: 6.3200 Minimum Altitude: 3413.6800 Maximum Altitude: 4120.1600 Minimum Depth: 3341.8300 Maximum Depth: 4373.4500 Minimum Amplitude: -47.0000 Maximum Amplitude: 6.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 67.0500 Data Record Type Notices: DN: 264 MB_DATA_DATA (ID=1): survey data DN: 150 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: 3600 MB_DATA_NAV (ID=12): Navigation record DN: 72 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3599 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 360 MB_DATA_HEADING (ID=17): Heading record DN: 3600 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 18 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 150 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11251 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 1 1 1 0 1 1 0 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 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 0 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 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0