| Project: | Seismic Shakedown and Science Testing |
| Instrument: | Simrad EM120 |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Marcus G. Langseth |
| Chief Scientist: | Diebold, John Lamont-Doherty Earth Observatory |
| Source Organization: | Marine Geoscience Data System (MGDS) |
| Start Date: | 2008-01-04 |
| End Date: | 2008-01-24 |
Multibeam Bathymetry

| Project: | Seismic Shakedown and Science Testing |
| Instrument: | Simrad EM120 |

| Number of Files: | 248 |
| Number of Records: | 579380 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 110657569 | 100% |
| Number of Good Beams | 92750935 | 83.82% |
| Number of Zero Beams | 17906634 | 16.18% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 471.0023 hours |
| Total Track Length: | 3773.2909 km |
| Average Speed: | 8.011 km/hr (4.3256 knots) |

| Northern Extent: | 29.344538 |
| Southern Extent: | 26.154905 |
| Western Extent: | -96.448326 |
| Eastern Extent: | -93.31393 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 18.46 |
| Minimum Altitude | 0 | Maximum Altitude | 2835.52 |
| Minimum Depth | 11.07 | Maximum Depth | 2979.5801 |
File Information


| Files | File Size | Description |
|---|---|---|
| MGL0801_Multibeam.xml | NCEI created ISO metadata |