Swath Data File: 0003hs.d075.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: 7140 Bathymetry Data (59 beams): Number of Beams: 421260 Number of Good Beams: 352782 83.74% Number of Zero Beams: 68478 16.26% Number of Flagged Beams: 0 0.00% Amplitude Data (59 beams): Number of Beams: 421260 Number of Good Beams: 352782 83.74% Number of Zero Beams: 68478 16.26% 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: 23.9961 hours Total Track Length: 390.1432 km Average Speed: 16.2586 km/hr ( 8.7884 knots) Start of Data: Time: 03 14 2000 23:59:49.000000 JD74 Lon: -126.6097 Lat: -12.4426 Depth: 3919.1000 meters Speed: 4.6800 km/hr ( 2.5297 knots) Heading: 81.3000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3919.0000 m End of Data: Time: 03 15 2000 23:59:35.000000 JD75 Lon: -123.0774 Lat: -11.8676 Depth: 3669.1000 meters Speed: 4.6800 km/hr ( 2.5297 knots) Heading: 82.2000 degrees Sonar Depth: 5.5000 m Sonar Altitude: 3663.5000 m Limits: Minimum Longitude: -126.6138 Maximum Longitude: -123.0711 Minimum Latitude: -12.4753 Maximum Latitude: -11.8353 Minimum Sonar Depth: 5.5000 Maximum Sonar Depth: 5.5000 Minimum Altitude: -5.5000 Maximum Altitude: 4263.5000 Minimum Depth: 2108.0000 Maximum Depth: 4524.0000 Minimum Amplitude: 0.0000 Maximum Amplitude: 0.0000 Data Record Type Notices: DN: 7140 MB_DATA_DATA (ID=1): survey data DN: 401 MB_DATA_MEAN_VELOCITY (ID=5): Hydrosweep DS mean sound speed DN: 4 MB_DATA_STANDBY (ID=7): Hydrosweep DS standby record Nonfatal Error Notices: EN: 1 MB_ERROR_TIME_GAP (ID=-1): Time gap in data EN: 405 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 30 MB_ERROR_UNINTELLIGIBLE (ID=-9): Unintelligible data record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 0 0 0 1 CM: 0 0 0 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0