Swath Data File: mbari_1998_502_msn.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. Data Totals: Number of Records: 1215 Bathymetry Data (135 beams): Number of Beams: 164025 Number of Good Beams: 158881 96.86% Number of Zero Beams: 1340 0.82% Number of Flagged Beams: 3804 2.32% Amplitude Data (135 beams): Number of Beams: 164025 Number of Good Beams: 158881 96.86% Number of Zero Beams: 1340 0.82% Number of Flagged Beams: 3804 2.32% Sidescan Data (1024 pixels): Number of Pixels: 1244160 Number of Good Pixels: 1244160 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.4236 hours Total Track Length: 8.2806 km Average Speed: 19.5492 km/hr (10.5672 knots) Start of Data: Time: 04 29 1998 06:17:07.603000 JD119 Lon: -119.5772 Lat: 34.1439 Depth: 247.8300 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 267.1000 degrees Sonar Depth: 5.5700 m Sonar Altitude: 242.2600 m End of Data: Time: 04 29 1998 06:42:32.482000 JD119 Lon: -119.6669 Lat: 34.1463 Depth: 319.5300 meters Speed: 18.0000 km/hr ( 9.7297 knots) Heading: 273.6400 degrees Sonar Depth: 5.6100 m Sonar Altitude: 313.9200 m Limits: Minimum Longitude: -119.6674 Maximum Longitude: -119.5768 Minimum Latitude: 34.1382 Maximum Latitude: 34.1531 Minimum Sonar Depth: 4.4600 Maximum Sonar Depth: 6.5900 Minimum Altitude: 242.0400 Maximum Altitude: 313.9700 Minimum Depth: 246.3300 Maximum Depth: 335.1500 Minimum Amplitude: -53.5000 Maximum Amplitude: -17.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 49.1600 Data Record Type Notices: DN: 1215 MB_DATA_DATA (ID=1): survey data DN: 47 MB_DATA_COMMENT (ID=2): comment DN: 15 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 15 MB_DATA_START (ID=10): Simrad start datagram DN: 1526 MB_DATA_NAV (ID=12): Navigation record DN: 1215 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 1527 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 4298 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 1 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1