Swath Data File: 20070726145937020_0003_20010515_133751pp.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: 384 Bathymetry Data (191 beams): Number of Beams: 73344 Number of Good Beams: 73120 99.69% Number of Zero Beams: 224 0.31% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 73344 Number of Good Beams: 73120 99.69% Number of Zero Beams: 224 0.31% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 393216 Number of Good Pixels: 393216 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9947 hours Total Track Length: 22.5539 km Average Speed: 22.6736 km/hr (12.2560 knots) Start of Data: Time: 05 15 2001 13:37:57.734000 JD135 Lon: -121.9235 Lat: 35.6040 Depth: 998.3100 meters Speed: 6.0480 km/hr ( 3.2692 knots) Heading: 321.0200 degrees Sonar Depth: 5.5500 m Sonar Altitude: 992.7600 m End of Data: Time: 05 15 2001 14:37:38.723000 JD135 Lon: -122.0741 Lat: 35.7658 Depth: 1168.8600 meters Speed: 6.3360 km/hr ( 3.4249 knots) Heading: 324.8300 degrees Sonar Depth: 5.2200 m Sonar Altitude: 1163.6400 m Limits: Minimum Longitude: -122.1219 Maximum Longitude: -121.8838 Minimum Latitude: 35.5776 Maximum Latitude: 35.7932 Minimum Sonar Depth: 4.4400 Maximum Sonar Depth: 6.0400 Minimum Altitude: 992.7600 Maximum Altitude: 1227.0400 Minimum Depth: 987.7000 Maximum Depth: 1477.9500 Minimum Amplitude: -41.5000 Maximum Amplitude: 9.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 68.0000 Data Record Type Notices: DN: 384 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: 3588 MB_DATA_NAV (ID=12): Navigation record DN: 15 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3588 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 354 MB_DATA_HEADING (ID=17): Heading record DN: 3588 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: 11152 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 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 0