Swath Data File: mbari_1998_504_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: 1259 Bathymetry Data (135 beams): Number of Beams: 169965 Number of Good Beams: 167297 98.43% Number of Zero Beams: 1372 0.81% Number of Flagged Beams: 1296 0.76% Amplitude Data (135 beams): Number of Beams: 169965 Number of Good Beams: 167297 98.43% Number of Zero Beams: 1372 0.81% Number of Flagged Beams: 1296 0.76% Sidescan Data (1024 pixels): Number of Pixels: 1289216 Number of Good Pixels: 1289216 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.4300 hours Total Track Length: 8.4074 km Average Speed: 19.5527 km/hr (10.5690 knots) Start of Data: Time: 04 29 1998 07:14:29.035000 JD119 Lon: -119.5767 Lat: 34.1276 Depth: 250.2500 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 267.3900 degrees Sonar Depth: 5.3100 m Sonar Altitude: 244.9400 m End of Data: Time: 04 29 1998 07:40:16.981000 JD119 Lon: -119.6678 Lat: 34.1300 Depth: 277.5100 meters Speed: 18.0000 km/hr ( 9.7297 knots) Heading: 274.1200 degrees Sonar Depth: 5.4200 m Sonar Altitude: 272.0900 m Limits: Minimum Longitude: -119.6683 Maximum Longitude: -119.5762 Minimum Latitude: 34.1220 Maximum Latitude: 34.1360 Minimum Sonar Depth: 4.5200 Maximum Sonar Depth: 6.5400 Minimum Altitude: 244.0000 Maximum Altitude: 275.5000 Minimum Depth: 248.4400 Maximum Depth: 294.4500 Minimum Amplitude: -52.5000 Maximum Amplitude: -16.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 49.1600 Data Record Type Notices: DN: 1259 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: 1549 MB_DATA_NAV (ID=12): Navigation record DN: 1259 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 1549 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 4387 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 1 1 0 0 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 CM: 0 0 1 1 1 1 1 1 1 1