| Project: | |
| Instrument: | Atlas Hydrosweep DS |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Maurice Ewing |
| Chief Scientist: | Rawson, Michael Lamont-Doherty Earth Observatory |
| Source Organization: | Marine Geoscience Data System (MGDS) |
| Start Date: | 1992-05-12 |
| End Date: | 1992-05-26 |
Multibeam Bathymetry

| Project: | |
| Instrument: | Atlas Hydrosweep DS |

| Number of Files: | 23 |
| Number of Records: | 122923 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 7252457 | 100% |
| Number of Good Beams | 6636114 | 91.5% |
| Number of Zero Beams | 616343 | 8.5% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 407.9613 hours |
| Total Track Length: | 7602.2638 km |
| Average Speed: | 18.635 km/hr (10.0621 knots) |

| Northern Extent: | 12.816359 |
| Southern Extent: | -8.980664 |
| Western Extent: | -140.1074 |
| Eastern Extent: | -69.926544 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 5.5 |
| Minimum Altitude | -5.5 | Maximum Altitude | 15270.5 |
| Minimum Depth | 12.3 | Maximum Depth | 15276 |
File Information

| Files | File Size | Description |
|---|---|---|
| hs.133.3243.mb21.gz | 26.6KB | Raw Hydrosweep |
| hs.133.4400.mb21.gz | 90.0KB | Raw Hydrosweep |
| hs.133.4576.mb21.gz | 6.20MB | Raw Hydrosweep |
| hs.134.23616.mb21.gz | 217.5KB | Raw Hydrosweep |
| hs.134.25066.mb21.gz | 8.48MB | Raw Hydrosweep |
| hs.135.26043.mb21.gz | 8.03MB | Raw Hydrosweep |
| hs.136.21.mb21.gz | 8.27MB | Raw Hydrosweep |
| hs.137.4898.mb21.gz | 8.65MB | Raw Hydrosweep |
| hs.138.9897.mb21.gz | 3.11MB | Raw Hydrosweep |
| hs.139.14740.mb21.gz | 3.18MB | Raw Hydrosweep |
| hs.140.19368.mb21.gz | 3.34MB | Raw Hydrosweep |
| hs.141.19569.mb21.gz | 2.62MB | Raw Hydrosweep |
| hs.142.23191.mb21.gz | 3.65MB | Raw Hydrosweep |
| hs.143.29450.mb21.gz | 3.79MB | Raw Hydrosweep |
| hs.144.4436.mb21.gz | 4.32MB | Raw Hydrosweep |
| hs.145.9092.mb21.gz | 4.74MB | Raw Hydrosweep |
| hs.146.11909.mb21.gz | 4.10MB | Raw Hydrosweep |
| hs.147.12880.mb21.gz | 11.1KB | Raw Hydrosweep |
| hs.147.13659.mb21.gz | 104.4KB | Raw Hydrosweep |
| hs.147.15342.mb21.gz | 6.38MB | Raw Hydrosweep |
| hs.148.29499.mb21.gz | 11.95MB | Raw Hydrosweep |

| Files | File Size | Description |
|---|---|---|
| EW9205.b93.mb164.gz | 87.38MB | NGDC binary hydrographic sounding format |

| Files | File Size | Description |
|---|---|---|
| EW9205_Multibeam.xml | NGDC created ISO metadata |