Swath Data File: 20070726145953038_0005_20010515_161450pp.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_5.1u22-Kongsberg_Simrad_Norway_A/S_Horten Cruise ID: DRFT01RR Cruise Name: Drift_Expedition_Leg_01 PI: Fred_Spiess PI Institution: Scripps_Institution_of_Oceanography Client: OCE97-30870 Corrected Depths: YES Tide Corrected: NO Depths Manually Edited: NO Depths Auto-Edited: NO Roll Bias: 0.050000 degrees Pitch Bias: 0.000000 degrees Heading Bias: 0.000000 degrees Draft: 6.000000 m Data Totals: Number of Records: 175 Bathymetry Data (191 beams): Number of Beams: 33425 Number of Good Beams: 32855 98.29% Number of Zero Beams: 570 1.71% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 33425 Number of Good Beams: 32855 98.29% Number of Zero Beams: 570 1.71% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 179200 Number of Good Pixels: 179200 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9846 hours Total Track Length: 22.7750 km Average Speed: 23.1317 km/hr (12.5036 knots) Start of Data: Time: 05 15 2001 16:15:08.472000 JD135 Lon: -122.3258 Lat: 36.0364 Depth: 2555.9100 meters Speed: 6.0840 km/hr ( 3.2886 knots) Heading: 320.2300 degrees Sonar Depth: 5.9900 m Sonar Altitude: 2549.9200 m End of Data: Time: 05 15 2001 17:14:12.965000 JD135 Lon: -122.4787 Lat: 36.1999 Depth: 2040.8000 meters Speed: 5.9400 km/hr ( 3.2108 knots) Heading: 323.7600 degrees Sonar Depth: 5.4400 m Sonar Altitude: 2035.3600 m Limits: Minimum Longitude: -122.5763 Maximum Longitude: -122.2267 Minimum Latitude: 35.9700 Maximum Latitude: 36.2481 Minimum Sonar Depth: 4.6000 Maximum Sonar Depth: 6.0000 Minimum Altitude: 1955.1200 Maximum Altitude: 2836.4000 Minimum Depth: 1342.2400 Maximum Depth: 3330.9900 Minimum Amplitude: -44.0000 Maximum Amplitude: 2.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 69.0000 Data Record Type Notices: DN: 175 MB_DATA_DATA (ID=1): survey data DN: 95 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: 1 MB_DATA_STOP (ID=11): Simrad stop datagram DN: 3561 MB_DATA_NAV (ID=12): Navigation record DN: 114 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3561 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 351 MB_DATA_HEADING (ID=17): Heading record DN: 3561 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 16 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 95 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11167 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 2 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 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 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 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0