Swath Data File: hs.d021.mb21 MBIO Data Format ID: 21 Format name: MBF_HSATLRAW Informal Description: Raw Hydrosweep Attributes: Hydrosweep DS, bathymetry and amplitude, 59 beams, ascii, Atlas Electronik. Data Totals: Number of Records: 4682 Bathymetry Data (59 beams): Number of Beams: 276238 Number of Good Beams: 256566 92.88% Number of Zero Beams: 19672 7.12% Number of Flagged Beams: 0 0.00% Amplitude Data (59 beams): Number of Beams: 276238 Number of Good Beams: 256566 92.88% Number of Zero Beams: 19672 7.12% Number of Flagged Beams: 0 0.00% Sidescan Data (0 pixels): Number of Pixels: 0 Number of Good Pixels: 0 0.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 23.9922 hours Total Track Length: 384.3882 km Average Speed: 16.0214 km/hr ( 8.6602 knots) Start of Data: Time: 01 20 1994 23:59:44.000000 JD20 Lon: -44.4944 Lat: -36.2806 Depth: 4996.3000 meters Speed: 19.4400 km/hr (10.5081 knots) Heading: 31.8000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4996.0000 m End of Data: Time: 01 21 1994 23:59:16.000000 JD21 Lon: -47.3011 Lat: -34.1596 Depth: 4277.0000 meters Speed: 19.8000 km/hr (10.7027 knots) Heading: 312.1000 degrees Sonar Depth: 5.5000 m Sonar Altitude: 4271.5000 m Limits: Minimum Longitude: -47.3278 Maximum Longitude: -44.1990 Minimum Latitude: -36.3007 Maximum Latitude: -34.1349 Minimum Sonar Depth: 5.5000 Maximum Sonar Depth: 5.5000 Minimum Altitude: 4271.5000 Maximum Altitude: 4998.0000 Minimum Depth: 3558.0000 Maximum Depth: 6077.0000 Minimum Amplitude: 0.0000 Maximum Amplitude: 0.0000 Data Record Type Notices: DN: 4738 MB_DATA_DATA (ID=1): survey data DN: 793 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping DN: 178 MB_DATA_MEAN_VELOCITY (ID=5): Hydrosweep DS mean sound speed DN: 38 MB_DATA_STANDBY (ID=7): Hydrosweep DS standby record Nonfatal Error Notices: EN: 23 MB_ERROR_TIME_GAP (ID=-1): Time gap in data EN: 56 MB_ERROR_OUT_BOUNDS (ID=-2): Data outside specified location bounds EN: 1009 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 3462 MB_ERROR_UNINTELLIGIBLE (ID=-9): Unintelligible data record Problem Notices: PN: 56 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 0 0 0 1 1 0 0 0 0 0 CM: 0 0 0 0 1 1 0 0 0 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 0 1 1