Swath Data File: 00031102194010.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: 20 Bathymetry Data (140 beams): Number of Beams: 2800 Number of Good Beams: 2770 98.93% Number of Zero Beams: 30 1.07% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 2800 Number of Good Beams: 2770 98.93% Number of Zero Beams: 30 1.07% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 74102 Number of Good Pixels: 74102 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.0852 hours Total Track Length: 0.2521 km Average Speed: 2.9579 km/hr ( 1.5989 knots) Start of Data: Time: 11 02 2003 19:39:43.000000 JD306 Lon: -44.8380 Lat: 26.1862 Depth: 3734.4894 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 196.9409 degrees Sonar Depth: 6.1000 m Sonar Altitude: 3728.3894 m End of Data: Time: 11 02 2003 19:44:49.814000 JD306 Lon: -44.8403 Lat: 26.1859 Depth: 3701.2533 meters Speed: 2.8063 km/hr ( 1.5169 knots) Heading: 329.2163 degrees Sonar Depth: 5.5000 m Sonar Altitude: 3681.8720 m Limits: Minimum Longitude: -44.9217 Maximum Longitude: -44.7585 Minimum Latitude: 26.1152 Maximum Latitude: 26.2515 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.4000 Minimum Altitude: 3664.9243 Maximum Altitude: 3759.8340 Minimum Depth: 2832.9776 Maximum Depth: 4188.4581 Minimum Amplitude: 1.0000 Maximum Amplitude: 250.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 20 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 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 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 0 0 0