Swath Data File: 00020209210010.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: 54 Bathymetry Data (140 beams): Number of Beams: 7560 Number of Good Beams: 7452 98.57% Number of Zero Beams: 108 1.43% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 7560 Number of Good Beams: 7452 98.57% Number of Zero Beams: 108 1.43% Number of Flagged Beams: 0 0.00% Sidescan Data (4058 pixels): Number of Pixels: 195763 Number of Good Pixels: 195763 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1633 hours Total Track Length: 3.3911 km Average Speed: 20.7665 km/hr (11.2251 knots) Start of Data: Time: 02 09 2002 20:59:52.011000 JD40 Lon: 153.3638 Lat: -3.1400 Depth: 1641.5536 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 326.8872 degrees Sonar Depth: 5.6000 m Sonar Altitude: 1635.9536 m End of Data: Time: 02 09 2002 21:09:39.888000 JD40 Lon: 153.3468 Lat: -3.1146 Depth: 1477.9590 meters Speed: 21.0632 km/hr (11.3855 knots) Heading: 327.3047 degrees Sonar Depth: 5.7000 m Sonar Altitude: 1472.2590 m Limits: Minimum Longitude: 153.3213 Maximum Longitude: 153.3912 Minimum Latitude: -3.1550 Maximum Latitude: -3.0987 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.4000 Minimum Altitude: 1463.9803 Maximum Altitude: 1752.0743 Minimum Depth: 1251.3803 Maximum Depth: 2020.0858 Minimum Amplitude: 4.0000 Maximum Amplitude: 248.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 54 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: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 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 1 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0