Swath Data File: 0515_20031101_095338p.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: 172 Bathymetry Data (191 beams): Number of Beams: 32852 Number of Good Beams: 30043 91.45% Number of Zero Beams: 2809 8.55% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 32852 Number of Good Beams: 30043 91.45% Number of Zero Beams: 2809 8.55% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 176128 Number of Good Pixels: 175104 99.42% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.58% Navigation Totals: Total Time: 0.9943 hours Total Track Length: 17.6599 km Average Speed: 17.7620 km/hr ( 9.6011 knots) Start of Data: Time: 11 01 2003 09:53:51.256000 JD305 Lon: -82.8186 Lat: -4.9269 Depth: 2642.7900 meters Speed: 15.1200 km/hr ( 8.1730 knots) Heading: 84.9900 degrees Sonar Depth: 5.6700 m Sonar Altitude: 2669.7600 m End of Data: Time: 11 01 2003 10:53:30.560000 JD305 Lon: -82.7442 Lat: -4.8663 Depth: 2821.3300 meters Speed: 12.6000 km/hr ( 6.8108 knots) Heading: 318.6100 degrees Sonar Depth: 5.7300 m Sonar Altitude: 2825.3600 m Limits: Minimum Longitude: -82.8432 Maximum Longitude: -82.5904 Minimum Latitude: -5.0361 Maximum Latitude: -4.7855 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.4000 Minimum Altitude: 2669.7600 Maximum Altitude: 3343.6800 Minimum Depth: 2406.6200 Maximum Depth: 4127.1300 Minimum Amplitude: -40.5000 Maximum Amplitude: 10.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 75.1800 Data Record Type Notices: DN: 172 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: 21 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: 11201 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 0 0 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 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 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 0 0 0