| Project: | Tunes Expedition |
| Instrument: | SeaBeam |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Thomas Washington |
| Chief Scientist: | Constable, Steven C.; Johnson, Paul Scripps Institution of Oceanography; University of Washington |
| Source Organization: | University of California San Diego, Scripps Institution of Oceanography (UCSD/SIO) |
| Start Date: | 1991-10-05 |
| End Date: | 1991-10-16 |
Multibeam Bathymetry

| Project: | Tunes Expedition |
| Instrument: | SeaBeam |

| Number of Files: | 10 |
| Number of Records: | 95970 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 1823430 | 100% |
| Number of Good Beams | 1106032 | 60.66% |
| Number of Zero Beams | 717398 | 39.34% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 177.8948 hours |
| Total Track Length: | 1339.8677 km |
| Average Speed: | 7.532 km/hr (4.0670 knots) |

| Northern Extent: | 21.2853 |
| Southern Extent: | 18.658302 |
| Western Extent: | -157.8782 |
| Eastern Extent: | -155.1718 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 5245 |
| Minimum Depth | 33 | Maximum Depth | 5605 |
File Information

| Files | File Size | Description |
|---|---|---|
| TUNE04WT.SWSB.91oct07 | 2.18MB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct08 | 1.54MB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct09 | 268.1KB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct10 | 351.6KB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct11 | 0.90MB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct12 | 1.73MB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct15 | 2.77MB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct16 | 208.0KB | SIO Swath-bathy SeaBeam |
| TUNE04WT.SWSB.91oct17 | 0.74MB | SIO Swath-bathy SeaBeam |

| Files | File Size | Description |
|---|---|---|
| TUNE04WT_Multibeam.xml | NCEI created ISO metadata |