Knowledge center
Safely collecting ocean current data near active volcanoes with a USV
The use of Uncrewed Surface Vehicles (USVs) in dangerous or challenging environments is becoming an increasingly common practice as the capabilities…
![Bluebottle and volcano](https://www.nortekgroup.com/assets/images/Bluebottle-and-volcano.jpg)
Why accurate data on speed through water is essential for sub-seabed survey vessels
Find out how oceanographic data from the vessel-mounted VM Operations ADCP helps surveyors map the sub-seabed for a new offshore wind farm…
![Nortek sub seabed survey vessel](https://www.nortekgroup.com/assets/images/Nortek-sub-seabed-survey-vessel.jpg)
Exploring Mediterranean Sea waters with a state-of-the-art combined current profiler and echosounder
A test deployment in the Mediterranean shows how the Signature100 current profiler – with dedicated echosounder functionality – provides…
![Echosounder vessel](https://www.nortekgroup.com/assets/images/Echosounder-vessel.jpg)
Boosting maritime safety with real-time data of waves and currents near ports in West Africa
For the maritime authorities in the West African nation of Togo, keeping vessels safe is a top priority, as is safeguarding the marine environment…
![Port of Lome Togo West Africa](https://www.nortekgroup.com/assets/images/Port-of-Lome-Togo-West-Africa-Shutterstock_2022-08-18-091009_xswt.jpg)
Using a versatile vessel-mounted ADCP to obtain high-resolution current data in estuarine and near-shore environments
The Signature250 is the lowest available frequency of the Nortek's Signature VM Coastal series (250 kHz). Designed to sample in depths of up to 200…
![IMG 20200901 070102](https://www.nortekgroup.com/assets/images/IMG_20200901_070102.jpg)
Deploying a vessel-mounted ADCP on a USV to survey currents in a complex river environment
If a river crossing can be mapped using a USV instead of field personnel, then the risk to life is considerably reduced. Ultrabeam Hydrographic…
![Ultrabeam Hydrographic1](https://www.nortekgroup.com/assets/images/Ultrabeam-Hydrographic1.jpg)
Flexible ADCP sensor solution for rapid inshore deployments of USVs
For HydroSurv, the capacity to quickly install and easily operate sensors on its USVs permits collection of critical environmental data at short…
![Figure 1](https://www.nortekgroup.com/assets/images/Figure-1.jpg)
Understanding flow velocities to keep navigation channels open in sediment-rich Dutch waters
A high rate of sediment deposition makes maintaining narrow navigational channels through the shallow tidal flats of the Wadden Sea in the…
![Image 02](https://www.nortekgroup.com/assets/images/Image_02.jpg)
Revealing complex tidal flows in the Santos Estuary with a vessel-mounted ADCP
A demonstration using a vessel-mounted Signature500 ADCP in Brazil illustrates the level of knowledge that users can achieve through a simple…
![Revealing complex collage 08](https://www.nortekgroup.com/assets/images/Revealing-complex-collage.-08.png)