| Project: | Long Term Monitoring of Seismicity at the Mid-Atla |
| Instrument: | Atlas Hydrosweep DS |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Maurice Ewing |
| Chief Scientist: | Smith, Deborah Woods Hole Oceanographic Institution |
| Source Organization: | Marine Geoscience Data System (MGDS) |
| Start Date: | 1999-01-30 |
| End Date: | 1999-02-24 |
Multibeam Bathymetry

| Project: | Long Term Monitoring of Seismicity at the Mid-Atla |
| Instrument: | Atlas Hydrosweep DS |

| Number of Files: | 27 |
| Number of Records: | 153533 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 9058447 | 100% |
| Number of Good Beams | 8323467 | 91.89% |
| Number of Zero Beams | 734980 | 8.11% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 568.1604 hours |
| Total Track Length: | 10936.3786 km |
| Average Speed: | 19.249 km/hr (10.3936 knots) |

| Northern Extent: | 37.005955 |
| Southern Extent: | 13.103559 |
| Western Extent: | -76.33645 |
| Eastern Extent: | -34.345104 |

| Minimum Sonar Depth | 5.5 | Maximum Sonar Depth | 5.5 |
| Minimum Altitude | 0 | Maximum Altitude | 6015.5 |
| Minimum Depth | 11.9 | Maximum Depth | 6610 |
File Information

| Files | File Size | Description |
|---|---|---|
| 9901hs.d030.mb21.gz | 3.51MB | Raw Hydrosweep |
| 9901hs.d031.mb21.gz | 1.00MB | Raw Hydrosweep |
| 9901hs.d032.mb21.gz | 2.34MB | Raw Hydrosweep |
| 9901hs.d033.mb21.gz | 2.55MB | Raw Hydrosweep |
| 9901hs.d034.mb21.gz | 2.50MB | Raw Hydrosweep |
| 9901hs.d035.mb21.gz | 3.89MB | Raw Hydrosweep |
| 9901hs.d037.mb21.gz | 2.97MB | Raw Hydrosweep |
| 9901hs.d038.mb21.gz | 3.90MB | Raw Hydrosweep |
| 9901hs.d039.mb21.gz | 3.23MB | Raw Hydrosweep |
| 9901hs.d040.mb21.gz | 2.96MB | Raw Hydrosweep |
| 9901hs.d041.mb21.gz | 2.92MB | Raw Hydrosweep |
| 9901hs.d042.mb21.gz | 3.23MB | Raw Hydrosweep |
| 9901hs.d043.mb21.gz | 3.09MB | Raw Hydrosweep |
| 9901hs.d044.mb21.gz | 2.97MB | Raw Hydrosweep |
| 9901hs.d045.mb21.gz | 3.51MB | Raw Hydrosweep |
| 9901hs.d046.mb21.gz | 3.60MB | Raw Hydrosweep |
| 9901hs.d047.mb21.gz | 2.80MB | Raw Hydrosweep |
| 9901hs.d048.mb21.gz | 3.04MB | Raw Hydrosweep |
| 9901hs.d049.mb21.gz | 3.55MB | Raw Hydrosweep |
| 9901hs.d050.mb21.gz | 3.27MB | Raw Hydrosweep |
| 9901hs.d051.mb21.gz | 3.09MB | Raw Hydrosweep |
| 9901hs.d052.mb21.gz | 2.90MB | Raw Hydrosweep |
| 9901hs.d053.mb21.gz | 2.67MB | Raw Hydrosweep |
| 9901hs.d054.mb21.gz | 2.38MB | Raw Hydrosweep |
| 9901hs.d055.mb21.gz | 4.73MB | Raw Hydrosweep |
| EW9901.xml.gz | 4.5KB | Raw Hydrosweep |

| Files | File Size | Description |
|---|---|---|
| EW9901_Multibeam.xml | NGDC created ISO metadata |