Knowledge center

Doppler measurements rely on the speed of sound. How does this relate to my navigation system’s accuracy?

DVLs rely on the speed of sound in water to determine a vehicle's speed over ground. However, speed of sound can differ with temperature and density…

Educational videos Subsea navigation

Using wave and current measurements to improve hurricane preparedness in Colombia

Adaptation and mitigation measures for hurricanes affecting Colombia have been hampered by the lack of an in-situ meteorological and oceanographic…

Educational videos Oceanography

How a vessel-mounted ADCP helps keep a Dutch navigation channel open

Due to its constant erosion and sedimentation process, the ferry route to the island of Ameland in the Netherlands is becoming longer, costing time,…

Educational videos Oceanography Vessel-mounted

How does my vehicle navigate subsea when it is temporarily out of range of the bottom?

How do subsea vehicles continue to navigate effectively when their DVLs are out of range of the bottom? One feature our DVLs offer which can…

Educational videos Subsea navigation

Making sure your navigation system operates properly before deploying a vehicle

How do you know if your navigation system is functioning properly before deploying your subsea vehicle? Nortek DVLs have several features and…

Educational videos Subsea navigation

How do I ensure operational safety and efficiency when deploying my ROV?

When deploying Remotely Operated Vehicles (ROVs) below the sea surface, it can be important to understand the conditions as they change in order to…

Educational videos Subsea navigation

How do I maintain the best possible DVL range in ALL conditions?

Maximizing DVL range is all about signal-to-noise ratio. You want to be able to maximize the signal while minimizing noise. So what can be done to…

Educational videos Subsea navigation

What are the benefits of a paired DVL and INS?

What are the benefits of a combined DVL and INS? A Nortek support engineer explains what each of these things are and how combining them can create…

Educational videos Subsea navigation

My subsea vehicle is pitching and rolling. How do I get a reliable altitude?

At Nortek, we are often asked, "Can I use my DVL as an altimeter?" The answer is "Yes, you can use a DVL to estimate distance over the bottom", but…

Educational videos Subsea navigation

Autonomous docking of resident subsea vehicles using Nortek DVLs

Allowing an inspection or survey vehicle to remain submerged for many months at a time has several benefits, one being the reduction of carbon…

User stories Subsea navigation
6 minutes
Autonomous docking of resident subsea vehicles using Nortek DVLs

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…

User stories Oceanography Vessel-mounted
5 minutes
Port of Lome Togo West Africa

Improving hurricane preparedness in Colombia with wave and current data

Adaptation and mitigation measures for hurricanes affecting Colombia have been hampered by the lack of an in-situ meteorological and oceanographic…

User stories Oceanography
10 minutes
Hurricane
1 2 3 4 5 ... 11

Cart

Total $0.00
Next

In the final step you can choose to pay by card or generate a quote PDF.