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by consto 2841 days ago
I wonder if a fake phone mast, similar to a stingray, would be useful for locating people lost in the wilderness. If the person had a powered on phone, and the area was located quickly enough, the device could at minimum tell you if you are hotter or colder. Use multiple and you could even triangulate!
1 comments

If you put one on a helicopter or drone you could sweep a large area quite quickly. That could be especially useful in situations where a person wasn't planning to be in the wilderness and thus would be more likely to have a phone on them but not another GPS-enabled communicator.