Swath Data File: 00031029154010.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: 38 Bathymetry Data (140 beams): Number of Beams: 5320 Number of Good Beams: 5251 98.70% Number of Zero Beams: 69 1.30% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5320 Number of Good Beams: 5251 98.70% Number of Zero Beams: 69 1.30% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 118966 Number of Good Pixels: 118966 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1650 hours Total Track Length: 2.3544 km Average Speed: 14.2737 km/hr ( 7.7155 knots) Start of Data: Time: 10 29 2003 15:39:43.889000 JD302 Lon: -46.5964 Lat: 25.3786 Depth: 3810.9220 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 71.1035 degrees Sonar Depth: 5.7000 m Sonar Altitude: 3805.2220 m End of Data: Time: 10 29 2003 15:49:37.710999 JD302 Lon: -46.5745 Lat: 25.3861 Depth: 3729.2405 meters Speed: 14.5548 km/hr ( 7.8675 knots) Heading: 71.5869 degrees Sonar Depth: 6.4000 m Sonar Altitude: 3722.8405 m Limits: Minimum Longitude: -46.6233 Maximum Longitude: -46.5482 Minimum Latitude: 25.3068 Maximum Latitude: 25.4598 Minimum Sonar Depth: 3.9000 Maximum Sonar Depth: 7.6000 Minimum Altitude: 3722.8405 Maximum Altitude: 3986.1476 Minimum Depth: 2869.0098 Maximum Depth: 5277.3049 Minimum Amplitude: 1.0000 Maximum Amplitude: 246.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 38 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: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1