Swath Data File: 00020204041010.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: 26 Bathymetry Data (140 beams): Number of Beams: 3640 Number of Good Beams: 3443 94.59% Number of Zero Beams: 197 5.41% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3640 Number of Good Beams: 3443 94.59% Number of Zero Beams: 197 5.41% Number of Flagged Beams: 0 0.00% Sidescan Data (3815 pixels): Number of Pixels: 91896 Number of Good Pixels: 91896 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1649 hours Total Track Length: 3.4667 km Average Speed: 21.0207 km/hr (11.3625 knots) Start of Data: Time: 02 04 2002 04:09:45.050999 JD35 Lon: 154.5832 Lat: -28.8534 Depth: 4523.1930 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 5.4492 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4513.7071 m End of Data: Time: 02 04 2002 04:19:38.756999 JD35 Lon: 154.5839 Lat: -28.8231 Depth: 4490.1071 meters Speed: 21.0710 km/hr (11.3897 knots) Heading: 2.5488 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4471.1363 m Limits: Minimum Longitude: 154.4888 Maximum Longitude: 154.6828 Minimum Latitude: -28.8611 Maximum Latitude: -28.8193 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4442.2182 Maximum Altitude: 4645.7869 Minimum Depth: 3594.6998 Maximum Depth: 5131.0997 Minimum Amplitude: 4.0000 Maximum Amplitude: 250.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 26 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: 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: 0 1 1 1 1 1 1 1 1 1 CM: 1 1 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1