| Project: | |
| Instrument: | SeaBeam |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Discoverer |
| Chief Scientist: | Embley, Robert W. US National Oceanic and Atmospheric Administration/ NOS |
| Source Organization: | National Oceanic and Atmospheric Administration (NOAA) |
| Start Date: | 1991-05-18 |
| End Date: | 1991-05-19 |
Multibeam Bathymetry

| Project: | |
| Instrument: | SeaBeam |

| Number of Files: | 3 |
| Number of Records: | 11965 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 227335 | 100% |
| Number of Good Beams | 160627 | 70.66% |
| Number of Zero Beams | 66708 | 29.34% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 36.5784 hours |
| Total Track Length: | 399.1616 km |
| Average Speed: | 10.912 km/hr (5.8920 knots) |

| Northern Extent: | 46.8612 |
| Southern Extent: | 46.4592 |
| Western Extent: | -130.2492 |
| Eastern Extent: | -129.4912 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 2811 |
| Minimum Depth | 1040 | Maximum Depth | 2827 |
File Information

| Files | File Size | Description |
|---|---|---|
| 91138-vent01di.gps | 247.5KB | URI Sea Beam from VAX |
| 91139-vent01di.gps | 0.93MB | URI Sea Beam from VAX |

| Files | File Size | Description |
|---|---|---|
| DI9101_Multibeam.xml | NCEI created ISO metadata |