Hear hear.<p>Suppose the following. Fortunately, you're in a remote bit of Australia. Unfortunately, you've broken a leg. Fortunately, you have a rescue chopper on the phone. Unfortunately, you dropped your GPS in a river. Fortunately, you know where you are, and you have a standard topographic map, so you read them a grid reference.<p>They won't be able to find you.<p>I realise that they're from the government, and they're here to help. Even so ...