Swath Data File: 00020207022010.mb183 MBIO Data Format ID: 183 Format name: MBF_HSDS2LAM Informal Description: L-DEO HSDS2 processing format Attributes: STN Atlas multibeam sonars, Hydrosweep DS2, Hydrosweep MD, Fansweep 10, Fansweep 20, bathymetry, amplitude, and sidescan, up to 1440 beams and 4096 pixels, XDR binary, L-DEO. Data Totals: Number of Records: 27 Bathymetry Data (140 beams): Number of Beams: 3780 Number of Good Beams: 3672 97.14% Number of Zero Beams: 108 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3780 Number of Good Beams: 3672 97.14% Number of Zero Beams: 108 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (3826 pixels): Number of Pixels: 99039 Number of Good Pixels: 99039 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1618 hours Total Track Length: 3.1872 km Average Speed: 19.6987 km/hr (10.6480 knots) Start of Data: Time: 02 07 2002 02:19:52.559999 JD38 Lon: 154.8251 Lat: -15.8158 Depth: 4281.0017 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 358.5498 degrees Sonar Depth: 5.7000 m Sonar Altitude: 4272.4501 m End of Data: Time: 02 07 2002 02:29:35.034999 JD38 Lon: 154.8240 Lat: -15.7851 Depth: 4218.2402 meters Speed: 21.1084 km/hr (11.4100 knots) Heading: 359.5386 degrees Sonar Depth: 5.5000 m Sonar Altitude: 4208.2750 m Limits: Minimum Longitude: 154.7389 Maximum Longitude: 154.9038 Minimum Latitude: -15.8177 Maximum Latitude: -15.7845 Minimum Sonar Depth: 5.4000 Maximum Sonar Depth: 6.1000 Minimum Altitude: 4208.2750 Maximum Altitude: 4275.7617 Minimum Depth: 4042.1031 Maximum Depth: 5201.1994 Minimum Amplitude: 5.0000 Maximum Amplitude: 242.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 27 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 7 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 7 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 1 DATA PROBLEM (ID=2): Zero longitude or latitude in survey data PN: 1 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0