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V-Nav Acoustic Positioning System
V-Nav is a system capable of accurately positioning large numbers of subsea targets marked with an Applied Acoustics’ 1400 Series Beacon. The system is easily mounted on vessels large and small and builds up a position for each target from multiple ranges.
The system is comprised of the 3510 PAM Portable, a pole mounted 3190 dunking transducer and any number of 1400 Series Beacons. The dunker & GPS input are connected to the 3510 PAM. The V-Nav software controls the 3510 PAM, processing the time stamped data into a position solution.
The V-Nav System provides near real time positioning capability. An operator can observe the data for each beacon being added to the position solution, displayed as a graphical representation, so it can be seen when an appropriate quantity and quality of data have been collected.
Information collection in difficult environments is aided by the ability of the V-Nav software to take mapping, bathymetry and other types of graphical data, enabling the operator to inform the vessel crew of the optimum path for acquisition.
Key Features
- Robust Spread Spectrum signalling
- Large number of beacons positioned
- Long battery life
- Operational to 600m depth
- Flexible, for use on large or small vessels
- Wide variety of applications
- 7200 unique identities
Applications
- Ocean bottom seismic cable hydrophones/geophones
- Seismic nodes
- Metocean equipment/instrument strings
- Debris field tags
- Acoustic release
Resources
Positioning and Release Beacon Brochure 2020