Page 50: of Marine Technology Magazine (June 2018)

Tech File Product of the Month

RS Aqua: RS-Orca & RS-Porpoise

RS Aqua has more than 30 years of experience in physical Ethernet or long range Wi-Fi. This capability is increasingly oceanographic monitoring. Two years ago the company ex- required for in-situ mitigation against excessive noise in many panded its base with the introduction of the RS-Orca suite of types of offshore industry.

underwater acoustic recorders. Developed in collaboration The RS-Orca comes in different form factors, and on a recent with Canadian engineers Turbulent Research, the RS-Orca test deployment commissioned by the UK Government one supports multiple hydrophone inputs, has extremely high was deployed on an autonomous Slocum glider diving repeat- sample rates and the onboard processing of acoustic data. edly to depths of 600 m over ? ve days. Sperm whales were

These attributes allow the RS-Orca to capture some of the encountered, as highlighted in the 50 second spectrogram clip richest underwater data sets, and its ability to analyze data shown.

to standards required by the EU Marine Strategy Framework With the multi-channel RS-Orca now well established, RS

Directive removes the need for post-processing. While the Aqua has introduced its smaller, lower cost younger brother,

RS-Orca has a large memory capacity with both SD and SSD the single channel Porpoise recorder. The Porpoise has the formats, it can also stream raw audio and processed noise over same data processing capabilities as the RS-Orca but comes

The RS-Orca comes in different form factors, and on a recent test deployment commissioned by the UK Government one was deployed on an autonomous Slocum glider diving repeatedly to depths of 600 m over ? ve days.

Photos: RS Aqua

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