| Project: | Rapa Expedition |
| Instrument: | SeaBeam |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Thomas Washington |
| Chief Scientist: | Macdonald, Ken University of California, Santa Barbara |
| Source Organization: | University of California, Scripps Institution of Oceanography (UC/SIO) |
| Start Date: | 1990-11-15 |
| End Date: | 1990-12-15 |
Multibeam Bathymetry

| Project: | Rapa Expedition |
| Instrument: | SeaBeam |

| Number of Files: | 17 |
| Number of Records: | 273476 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 5196044 | 100% |
| Number of Good Beams | 3482979 | 67.03% |
| Number of Zero Beams | 1713065 | 32.97% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 715.1775 hours |
| Total Track Length: | 13067.8522 km |
| Average Speed: | 18.272 km/hr (9.8661 knots) |

| Northern Extent: | 32.535954 |
| Southern Extent: | 4.713584 |
| Western Extent: | -117.43576 |
| Eastern Extent: | -100.53905 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 5741 |
| Minimum Depth | 98 | Maximum Depth | 5884 |
File Information

| Files | File Size | Description |
|---|---|---|
| RAPA01WT.SWSB.90dec01 | 2.07MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec03 | 1.85MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec05 | 1.90MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec06 | 0.95MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec08 | 1.86MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec10 | 2.31MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec12 | 1.50MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec14 | 2.16MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90dec15 | 1.43MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90nov16 | 1.65MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90nov18 | 2.49MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90nov21 | 2.24MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90nov22 | 1.84MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90nov25 | 2.28MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90nov27 | 1.96MB | SIO Swath-bathy SeaBeam |
| RAPA01WT.SWSB.90nov29 | 1.90MB | SIO Swath-bathy SeaBeam |

| Files | File Size | Description |
|---|---|---|
| RAPA01WT_Multibeam.xml | NGDC created ISO metadata |