| Project: | |
| Instrument: | Atlas Hydrosweep DS |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Maurice Ewing |
| Chief Scientist: | Purdy, Michael, Sempere, Jean-Christophe, and Toomey, Douglas Woods Hole Oceanographic Institution, University of Washington, and University of Oregon |
| Source Organization: | Marine Geoscience Data System (MGDS) |
| Start Date: | 1992-09-29 |
| End Date: | 1992-11-09 |
Multibeam Bathymetry

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

| Number of Files: | 35 |
| Number of Records: | 211029 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 12450711 | 100% |
| Number of Good Beams | 10707427 | 86.0% |
| Number of Zero Beams | 1107778 | 8.9% |
| Number of Flagged Beams | 635506 | 5.1% |

| Total Time: | 750.4463 hours |
| Total Track Length: | 15106.634 km |
| Average Speed: | 20.13 km/hr (10.8693 knots) |

| Northern Extent: | 33.85252 |
| Southern Extent: | 13.104766 |
| Western Extent: | -59.675316 |
| Eastern Extent: | -37.973328 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 12726 |
| Minimum Depth | 12 | Maximum Depth | 6133 |
File Information

| Files | File Size | Description |
|---|---|---|
| hs.n273.mb23 | 1.23MB | URI Hydrosweep |
| hs.n274.mb23 | 1.21MB | URI Hydrosweep |
| hs.n275.mb23 | 1.11MB | URI Hydrosweep |
| hs.n276.mb23 | 1.13MB | URI Hydrosweep |
| hs.n277.mb23 | 1.33MB | URI Hydrosweep |
| hs.n278.mb23 | 1.32MB | URI Hydrosweep |
| hs.n279.mb23 | 415.9KB | URI Hydrosweep |
| hs.n280.mb23 | 1.42MB | URI Hydrosweep |
| hs.n281.mb23 | 1.52MB | URI Hydrosweep |
| hs.n282.edt.mb23 | 1.47MB | URI Hydrosweep |
| hs.n283.edt.mb23 | 1.66MB | URI Hydrosweep |
| hs.n284.edt.mb23 | 1.59MB | URI Hydrosweep |
| hs.n285.mb23 | 1.57MB | URI Hydrosweep |
| hs.n286.mb23 | 1.49MB | URI Hydrosweep |
| hs.n287.mb23 | 1.61MB | URI Hydrosweep |
| hs.n288.edt.mb23 | 1.64MB | URI Hydrosweep |
| hs.n289.mb23 | 1.62MB | URI Hydrosweep |
| hs.n290.mb23 | 1.78MB | URI Hydrosweep |
| hs.n291.mb23 | 1.52MB | URI Hydrosweep |
| hs.n292.edt.mb23 | 1.42MB | URI Hydrosweep |
| hs.n293.edt.mb23 | 1.71MB | URI Hydrosweep |
| hs.n294.edt.mb23 | 1.69MB | URI Hydrosweep |
| hs.n295.edt.mb23 | 1.74MB | URI Hydrosweep |
| hs.n296.mb23 | 2.00MB | URI Hydrosweep |
| hs.n297.edt.mb23 | 1.98MB | URI Hydrosweep |
| hs.n298.edt.mb23 | 1.88MB | URI Hydrosweep |
| hs.n299.edt.mb23 | 2.07MB | URI Hydrosweep |
| hs.n300.edt.mb23 | 2.04MB | URI Hydrosweep |
| hs.n301.edt.mb23 | 1.98MB | URI Hydrosweep |
| hs.n302.mb23 | 1.98MB | URI Hydrosweep |
| hs.n303.edt.mb23 | 2.04MB | URI Hydrosweep |
| hs.n304.edt.mb23 | 2.14MB | URI Hydrosweep |
| hs.n305.mb23 | 2.16MB | URI Hydrosweep |

| Files | File Size | Description |
|---|---|---|
| EW9210.b93.mb164.gz | 285.48MB | NGDC binary hydrographic sounding format |

| Files | File Size | Description |
|---|---|---|
| EW9210_Multibeam.xml | NGDC created ISO metadata |