Nortek Support
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Activity overview
Latest activity by Nortek Support-
Nortek Support created an article,
What are amplitude and correlation, and what do they tell us about data quality?
Amplitude In general, amplitude is a typical variable used to describe the characteristics of a wave. It says something about the amount of energy transferred by the wave and can be seen as a measu...
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Nortek Support created an article,
Why does my data have low SNR?
Signal-to-noise ratio (SNR) is a normal measure to compare desired signal strength to background noise. For ADCP instruments this is to look at the ratio of received echoes and the instrument-speci...
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Nortek Support created an article,
How do blockages affect my data?
Anything but water located along the beams is a blockage and affects the data. When a transmitted sound pulse hits something and gets reflected, the registered Doppler frequency shift represents t...
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Nortek Support created an article,
What is acoustic interference? Why does it occur and how to avoid it?
Acoustic interference occurs when sound waves from different sources interact with each other. An ADCP can experience acoustic interference by detecting sound waves from external sources, other ins...
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Nortek Support created an article,
Signature VM velocity profile measurement
Check-list So, you’re ready to go measure your first velocity profile track using a Signature VM system. How do you know you’re really ready, and that your system is configured correctly ? SETTIN...
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Nortek Support created an article,
Sig VM File Format
Date Author Comment / Reason for change Revision 26-may-2023 Jos van Heesen created 1.0 05-jun-2023 C.W minor clarification and text clean-up 1.1 Purpose of this technical note To proce...
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Nortek Support created an article,
Custom deployment with raw bottom track
Date Author Comment Revision 26-05-2023 Jos van Heesen created 1.0 05-jun-2023 C.W. minor clarification and text clean-up 1.1 Purpose of this technical note Although the Signature VM sy...
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Nortek Support created an article,
Use Windows 10 as NTP Server
Date Author Comment / Reason for change Revision 26-may-2023 Jos van Heesen Created 1.0 05-jun-2023 C.W. minor clarification and text clean-up 1.1 Purpose of this technical note To impr...
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Nortek Support created an article,
Firmware updates
To update the Signature VM firmware: Note that as part of this process, the Signature internal SD card will need to be erased. So if needed, make sure to copy off any instrument data files first. F...
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Nortek Support created an article,
Batch update config file
Date Author Comment Revision 26-05-2023 Jos van Heesen created 1.0 05-jun-2923 C.W. minor clarifications and text clean-up 1.1 Purpose of this technical note When collecting data in ...