Swath Data File: 00020206152010.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: 40 Bathymetry Data (140 beams): Number of Beams: 5600 Number of Good Beams: 5440 97.14% Number of Zero Beams: 160 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5600 Number of Good Beams: 5440 97.14% Number of Zero Beams: 160 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (4055 pixels): Number of Pixels: 151290 Number of Good Pixels: 151290 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1629 hours Total Track Length: 3.5509 km Average Speed: 21.8004 km/hr (11.7840 knots) Start of Data: Time: 02 06 2002 15:19:58.495000 JD37 Lon: 154.8972 Lat: -17.9672 Depth: 2179.2020 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 356.0449 degrees Sonar Depth: 5.5000 m Sonar Altitude: 2171.6998 m End of Data: Time: 02 06 2002 15:29:44.876999 JD37 Lon: 154.8960 Lat: -17.9358 Depth: 2669.3795 meters Speed: 21.6051 km/hr (11.6785 knots) Heading: 358.1323 degrees Sonar Depth: 5.7000 m Sonar Altitude: 2662.2599 m Limits: Minimum Longitude: 154.8419 Maximum Longitude: 154.9464 Minimum Latitude: -17.9699 Maximum Latitude: -17.9341 Minimum Sonar Depth: 5.2000 Maximum Sonar Depth: 6.0000 Minimum Altitude: 2171.6998 Maximum Altitude: 2662.2599 Minimum Depth: 2067.4655 Maximum Depth: 2853.8167 Minimum Amplitude: 7.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 40 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 9 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 9 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: 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 0 CM: 1 1 1 1 1 1 1 0 0 0