| Project: | Multibeam Calibration and Evaluation |
| 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: | 2007-10-21 |
| End Date: | 2007-10-26 |
Multibeam Bathymetry

| Project: | Multibeam Calibration and Evaluation |
| Instrument: | Simrad EM120 |

| Number of Files: | 122 |
| Number of Records: | 137397 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 26232895 | 100% |
| Number of Good Beams | 18390712 | 70.11% |
| Number of Zero Beams | 7842183 | 29.89% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 75.7549 hours |
| Total Track Length: | 1235.5061 km |
| Average Speed: | 16.309 km/hr (8.8062 knots) |

| Northern Extent: | 29.103996 |
| Southern Extent: | 26.174053 |
| Western Extent: | -95.10651 |
| Eastern Extent: | -94.250084 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 11.16 |
| Minimum Altitude | 0 | Maximum Altitude | 3354.1599 |
| Minimum Depth | 6.19 | Maximum Depth | 3505.5 |
File Information


| Files | File Size | Description |
|---|---|---|
| MGL0704_Multibeam.xml | NCEI created ISO metadata |