The VR4-UWM consists of two acoustic receivers, underwater modem, ID detector, data logging memory, and battery all housed in a submersible case. The acoustic ...
Capable of storing more than 800,000 detections, the VR4-UWM can be deployed for more than six years, making it ideal for site residency and migratory studies ...
The VR4-UWM's fast acoustic “wake up” enables modem communication in less than 30 seconds. It's 6-plus years battery life can be significantly extended by ...
The VR4-UWM (Underwater Modem) receiver is a flexible and reliable means of recording fish telemetry data and then transmitting the stored data to a surface ...
VR4-UWM coded dual channel acoustic receivers (69 and 180 kHz). Submersible receivers capable of communicating remotely to a surface modem.
Coded 69 kHz transmitters provide researchers with the means to track and monitor movement and behaviour patterns of a wide variety of aquatic animals.
People also ask
How do acoustic receivers work?
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Use the VEMCO Range Test Software to analyze data from stationary range tests conducted with VR2W, VR2Tx, VR2AR, VR2C, or VR4-UWM receivers.
Jul 19, 2020 · The VR4 is a submersible receiver capable of identifying all Innovasea coded transmitters and communicating that data remotely to a surface ...
Mar 21, 2023 · 69 kHz receivers will be capable of detecting all Innovasea MAP-114, MAP-115, and later tag code spaces simultaneously.
Innovasea's VR4-UWM receiver is a passive acoustic listening station whose batteries last more than six years, making it perfect for long-term migratory studies ...
