| Project: | Seismic Refraction/Wide Angle Relfection Transe... |
| Instrument: | Atlas Hydrosweep DS |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Maurice Ewing |
| Chief Scientist: | Brocher, Thomas US Geological Survey |
| Source Organization: | Marine Geoscience Data System (MGDS) |
| Start Date: | 1994-10-13 |
| End Date: | 1994-10-21 |
Multibeam Bathymetry

| Project: | Seismic Refraction/Wide Angle Relfection Transe... |
| Instrument: | Atlas Hydrosweep DS |

| Number of Files: | 10 |
| Number of Records: | 146016 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 8614944 | 100% |
| Number of Good Beams | 8261052 | 95.89% |
| Number of Zero Beams | 353875 | 4.11% |
| Number of Flagged Beams | 17 | 0.0% |

| Total Time: | 191.8776 hours |
| Total Track Length: | 1579.3769 km |
| Average Speed: | 8.231 km/hr (4.4444 knots) |

| Northern Extent: | 34.012115 |
| Southern Extent: | 32.61936 |
| Western Extent: | -119.71083 |
| Eastern Extent: | -117.22649 |

| Minimum Sonar Depth | 5.5 | Maximum Sonar Depth | 31 |
| Minimum Altitude | -5.5 | Maximum Altitude | 1855.5 |
| Minimum Depth | 0.1 | Maximum Depth | 9951 |
File Information

| Files | File Size | Description |
|---|---|---|
| 9415hs.d286.mb21.gz | 3.58MB | Raw Hydrosweep |
| 9415hs.d287.mb21.gz | 6.68MB | Raw Hydrosweep |
| 9415hs.d288.mb21.gz | 9.06MB | Raw Hydrosweep |
| 9415hs.d289.mb21.gz | 7.31MB | Raw Hydrosweep |
| 9415hs.d290.mb21.gz | 8.42MB | Raw Hydrosweep |
| 9415hs.d291.mb21.gz | 6.95MB | Raw Hydrosweep |
| 9415hs.d292.mb21.gz | 8.37MB | Raw Hydrosweep |
| 9415hs.d293.mb21.gz | 9.01MB | Raw Hydrosweep |
| 9415hs.d294.mb21.gz | 5.30MB | Raw Hydrosweep |

| Files | File Size | Description |
|---|---|---|
| EW9415_Multibeam.xml | NCEI created ISO metadata |