Academy warns on GPS unreliability

4:28 AM Wed 9 Mar 2011 GMT

'When in doubt, can YOU drag out the sextant and take a position?' .

Leisure sailors and other mariners could find themselves in trouble if they rely totally on GPS systems a British Academy of Engineering has warned. The report finds that the severity of the errors may be so large as to give noticeably suspect results which can immediately be identified by the users, but the real threat lies in 'dangerously misleading' results which may not seem obviously wrong - a ship directed slightly off course by faulty data could steer it into danger. This is of vital importance to cruising sailors, when it is known that a large percentage of us do ...

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Academy warns on GPS unreliability

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