Hi Dick. I've not seen anything but was listening to the Real Survival Stories podcast. It talked about a bloke who came off his quad in Alaska and used some to try and attract attention. He tied them to his handlebar and let them out. I've not seen it heard of anything like it.
I'll have a go at making some in the new year, and post some pics. Hopefully what I create won't look like rubbish, but you never know!!
Foil blankets are only good at being a wind break and waterproof. I wouldn't want to rely on one in heavy wind. Probably make a good emergency ribbon for flagging down a passing helicopter though.
If your stuck on the floor the issue is hypothermia from the floor below, it doesn't matter how many duvets you pile on top you'll still be cold. It doesn't matter how warm the day is or the people around you are, the person on the floor can become hypothermic very quickly.
If your properly bleeding (internally or externally) and cold, your in a bad place.
A heat source is invaluable, place a hand warmer in the groin and each armpit and layer up.
I’ve opened it a few times only for it to display the full user interface but no actual map. Even after force closing or restarting the phone
Mine takes about 30 seconds to open.
It can be really clunky.
