David Last, president of the Royal Institute of Navigation (RIN) can rely on an attentive audience when he conjures up the danger of a bored adolescent in his bedroom with acne and no girlfriend, who wants to 'beat the system' using a laptop. He referred to a website which contains an easy, DIY guide to GPS jamming (see box), and said this could be a major threat to commercial shipping.rnFairplay asked Professor Last whether such advertisements - easy to find on the internet - are alarming. "Yes," he replied, "but this is not novel. Such jammers have existed for a while. I agree with the observations of people who say that there is very little awareness within the maritime industry of the vulnerability of GPS and [the EU satellite system] Galileo. Politicians and policy makers are also not aware of it.
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