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6 sensor packages were deployed in Sept-Oct 2004 for 2 weeks, to test the radios, sensors and control electronics, and collect training data for the intelligence algorithms. The packages used a self-organising multihop wireless network (174MHz) with a max. hop length of 3km (to shore) and a max sea to sea range of 500m. A further 3 month trial is planned for summer 2005. This second trial will implement intelligent sampling behaviours. Scroll down for more pictures - measurement samples are here |
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| The six radios supplied by University of Essex with their batteries. | |
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One of the radio Buoys being launched (by Chris Roadknight from BT exact).
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The seabed package just before launch. The sensors, battery and microcontroller are in the stainless steel cylinder. The cable conveys data to the radio buoy.
The buoy in the sea - the white pole is the radio aerial |
| The map below shows the Scroby Sands site, and marks the deployment locations | |
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