Envirtech Sea Bottom Laboratory "Vulcan Class" acceptance test.
The devices in the vulcan class are basically realtime seafloor observatories with high performance and capability to collect many different parameters transmitting them to the surface with high throughput. These equipments should be used when the coastal region to protect is too close to the tsunami-genic source. In fact in these cases should be acquired any precursor of tsunami-genic event. The Vulcan Class seafloor observatories have the same basic performances of the Poseidon Class devices but are also capable to collect data coming from broadband seismometers, Hydrophones, Adcp and water quality probes. The devices are deployed using a mooring line (not freefall) and represent by themselves the dead weights for the surface buoys used for satellite data relay. More on http://www.envirtech.org
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