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Application

Sensor tracking

Precise underwater tracking of corers, camera platforms and geological drills is fundamental to undertaking science projects at sea. Fit Sonardyne and not only can you track your sensor packages in any water depth, but you can also communicate and release them.

What our tech can do for you

11 km

Track your sensors to the deepest part of the ocean

0.04%

Achievable slant range system accuracy

No title?

99 Up to 99, simultaneously tracked targets

9000 bps

Fast and robust communications performance

Subsea sensor

Scientific research relies on subsea sensors and underwater vehicles that can be deployed to specific sites in our vast oceans; knowing where they are and being able to receive accurate data from them underpins scientific results.

This means being able to site equipment, such as corers, camera platforms and geological drills, at a specific location in what could be thousands of metres water depth. While positioning accuracy today has come a long way from just 20 years ago, scientists are targeting ever smaller sites because the precision at which data and samples are taken matters: the distance between bleached coral and another that is recovering maybe just a meter or less.

Positioning and telemetry

The ability to position, control and communicate with this equipment, using high-speed telemetry, from one system, is key. Our Ranger 2 Ultra-Short BaseLine (USBL) family of acoustic technology can support positioning without having to first deploy a seabed array of transponders. It can also support deep and/or long-range tracking. For towed platforms, our iUSBL, which combines a USBL array head with a Lodestar AHRS in the same assembly, can support long-layback tracking, without needing calibration.

For long-term sensor deployments, we have transponders able to work in deep water that combine the functions of transponders, transceivers and telemetry.

Transceivers and transponders

Our USBL transceiver, called HPT, is available in a range of different designs to suit your vessel, operating environment and task in hand. If your research involves using a vessel of opportunity, then the benefits of using Ranger 2 begin before you’ve even left port. Our pre-calibrated, all in-one GyroUSBL transceiver is perfect for installation on a temporary over-the-side mount or a USV, yet delivers the same precision as a permanent installation.

The flexibility of the Ranger 2 family is further extended by our range of transponders to support a wide variety of scientific missions. WMT is a high power transponder capable of operations to 7,000 metres, while AvTrak 6 is our most capable acoustic vehicle instrument, combining the functions of a USBL transponder, LBL transceiver and modem for demanding applications such as AUV operations.

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