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Data set of the month - Signature1000

This is what happens when a fast ferry passes a vessel-mounted Signature1000 slowly transiting in low current speeds during slack water. The disturbance is clearly visible throughout the water column.
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Nortek Technical Forums

Did you ever wonder what happened to the Nortek Technical Forum?

Direct questions to the community are back again! And if you are looking for content that was buried in the older postings, check the content of our revised and reworked support FA...

A Nortek AWAC deployed at UPC’s OBSEA project in the Mediterranean near Barcelona in April 2018. The photo, taken two months after deployment, shows how the three transducers covered with stickers are mainly clear of biofouling, while the fourth unprotected transducer is hidden under a layer of organic material.

Field testing a new anti-biofouling technique for ADCPs

Biofouling is a problem that may not come top of all marine scientists’ priorities when preparing underwater instruments for deployment. However, in some conditions, it is an issue...

Example of vertical velocity measured by a Nortek Signature1000 operating in Pulse Coherent (HR) mode (courtesy of A. Shcherbina and E. D’Asaro – UW/APL).

What to keep in mind when using the mighty – but sometimes unruly – Pulse Coherent Doppler method

Nortek’s tech expert David Velasco outlines the three main methods that exist to measure water speed with acoustics, and explains why the Pulse Coherent Doppler method must be used...

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