Swath Data File: 0425_20031027_223930p.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: 552 Bathymetry Data (191 beams): Number of Beams: 105432 Number of Good Beams: 105357 99.93% Number of Zero Beams: 75 0.07% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 105432 Number of Good Beams: 105357 99.93% Number of Zero Beams: 75 0.07% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 565248 Number of Good Pixels: 564224 99.82% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.18% Navigation Totals: Total Time: 0.9984 hours Total Track Length: 0.4887 km Average Speed: 0.4895 km/hr ( 0.2646 knots) Start of Data: Time: 10 27 2003 22:39:35.874000 JD300 Lon: -84.4296 Lat: -7.0767 Depth: 3073.0700 meters Speed: 1.9800 km/hr ( 1.0703 knots) Heading: 134.3400 degrees Sonar Depth: 6.7500 m Sonar Altitude: 3066.3200 m End of Data: Time: 10 27 2003 23:39:30.094000 JD300 Lon: -84.4298 Lat: -7.0769 Depth: 3083.1200 meters Speed: 0.3904 km/hr ( 0.2110 knots) Heading: 150.6200 degrees Sonar Depth: 5.5200 m Sonar Altitude: 3077.6000 m Limits: Minimum Longitude: -84.4764 Maximum Longitude: -84.3833 Minimum Latitude: -7.1126 Maximum Latitude: -7.0407 Minimum Sonar Depth: 3.9100 Maximum Sonar Depth: 7.0400 Minimum Altitude: 3008.0800 Maximum Altitude: 3125.1200 Minimum Depth: 3003.5600 Maximum Depth: 3624.8200 Minimum Amplitude: -40.5000 Maximum Amplitude: -4.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 74.0000 Data Record Type Notices: DN: 552 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: 3600 MB_DATA_NAV (ID=12): Navigation record DN: 124 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3600 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: 56 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11304 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 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0