| Project: | North Atlantic Stepping Stones: New |
| Instrument: | Kongsberg EM304 |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | NOAA Ship OKEANOS EXPLORER (R337) |
| Chief Scientist: | Hoy, Shannon NOAA/OAR/OER |
| Source Organization: | National Oceanic and Atmospheric Administration (NOAA) |
| Start Date: | 2021-06-30 |
| End Date: | 2021-07-29 |
Multibeam Bathymetry

| Project: | North Atlantic Stepping Stones: New |
| Instrument: | Kongsberg EM304 |

| Number of Files: | 716 |
| Number of Records: | 57105 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 45684000 | 100% |
| Number of Good Beams | 42034501 | 92.01% |
| Number of Zero Beams | 778 | 0.0% |
| Number of Flagged Beams | 3648721 | 7.99% |

| Total Time: | 170.3115 hours |
| Total Track Length: | 3133.7788 km |
| Average Speed: | 18.4 km/hr (9.9352 knots) |

| Northern Extent: | 40.012352 |
| Southern Extent: | 32.761467 |
| Western Extent: | -69.004105 |
| Eastern Extent: | -47.463264 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 2.29 |
| Minimum Altitude | 0 | Maximum Altitude | 5595.7778 |
| Minimum Depth | 822.751 | Maximum Depth | 5629.8408 |
File Information



| Files | File Size | Description |
|---|---|---|
| EX2104_COLLECTION.xml | 25.6KB | XML metadata file |
| EX2104_Multibeam_COLLECTION.xml | 25.4KB | XML metadata file |
| mb_bag_info.tar.gz | 80.1KB | Additional cruise information |
| v1_file_metadata.tar.gz | 185.9KB | File level metadata |
| wcp_bag_info.tar.gz | 8.1KB | Additional cruise information |
| v2_file_metadata.tar.gz | 213.6KB | File level metadata |

| Files | File Size | Description |
|---|---|---|
| BIST.tar.gz | 24.4KB | BISTs data files |
| asvp.tar.gz | 271.6KB | Sound Speed Profiles (SSP or SVP) |
| backscatter.tar.gz | 821.65MB | Ancillary Data Files |
| support.tar.gz | 510.9KB | Supporting data |
| wcp.tar.gz | 1.25MB | Ancillary Data Files |
| xbt.tar.gz | 0.74MB | Expendable Bathythermograph (XBT) data |

| Water Column Sonar Data Available: | WCSD Map Viewer |