Lost teen's emergency calls prove futile

"SYDNEY -- Seven times, teenage hiker David Iredale used his cell phone to call Australia's equivalent of 911, pleading for rescue after he became lost in tough scrubland and ran out of water in 100-degree (37 C) heat."
[Miami Herald]

Our 999 service in the UK is better than this, it doesn't have this particular problem. They can locate a mobile phone. But it's good to remember that the modern technology won't always save you. And there is no substitute for training and preparation.