<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Looks useful Brian.</div><div>Some sort of mapping is definitely useful.</div><div>I have just been looking at GPS receivers to see how they can be water / pressure</div><div>proofed. I think a GPS system would be the bare minimum. </div><div>If you found a treasure chest you could at least head straight to the surface</div><div>& get a GPS coordinate.</div><div>Alan</div><div><br>On 16/01/2020, at 11:26 AM, Brian Hughes via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div>
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OK,</div>
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This looks interesting:</div>
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<a href="https://newatlas.com/outdoors/brizo-3d-scuba-dive-maps/?fbclid=IwAR0bwSGSy8zlABzonbS9PO4M-hyca94ADtn57E7YlccucUaqQGz3WNFqYBQ">https://newatlas.com/outdoors/brizo-3d-scuba-dive-maps/?fbclid=IwAR0bwSGSy8zlABzonbS9PO4M-hyca94ADtn57E7YlccucUaqQGz3WNFqYBQ</a><br>
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Brian</div>
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