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A1 Submarine fledermaus 2 | by Wessex Archaeology
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A1 Submarine fledermaus 2

The wreck of HMS A1, Britain's first commissioned submarine is a designated historic wreck under the Protection of Wrecks Act 1973.

This picture was produced by using multi-beam and single beam echosounders and sidescan sonar to map the different levels of the seabed. The data is put into a software programme called Fledermaus which converts it into an image.

To find out more visit:

www.wessexarch.co.uk/projects/marine/alsf/seabed_prehisto...

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Uploaded on March 3, 2008