 And just to be absolutely sure, don't leave your hoose in the first place.
:)
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 Got to be careful of all the tea cosies if you do that 
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 that didn't make sense to me. i assume to go with the map you carry as the back up? a basic gps is useless to navigate with unless you pre loaded your route into it and not using it in lowland until you've devised a proper way for it to direct you and most importantly that you can be arsed to go and learn how to use it properly. and too tough if you've decided to wander off and go take a look see at what's over there.
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 It's probably excellent advice if you regularly travel in the mountains of East Antarctica though... 
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 Lots of us do have a back-up gps system anyway - a phone. If I have my gps with me, I've also got my phone. If I don't have my gps with me, then my principal navigation tools are map and compass, so I have my phone as back-up. This is interesting.
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My spare GPS always lives in the bottom of my pack along with several spare batteries, a charger, my bivi bag, sleeping bag, emergency cooker, tent, tarp (in case the tent gets damaged), a few dehydrated meals, strobe, shovel and first aid kit. It's a 70 l sack.
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 > a basic gps is useless to navigate with unless you pre loaded your route into it Bingo. A position-only GPS will tell you where you are to within 3m (on a good day). But if you don't know the position of where you want to go, or how to get there (and, in particular, what obstructions might be in the way), it's less use than a chocolate teapot (which can at least be eaten in emergencies...). Just as a map is useless unless you can pinpoint where you are on the map, and where you want to go, and in which direction you need to travel. If you're taking a mapping GPS, I'd suggest a better recommendation is to take a map and compass as backup, and know how to use them, and keep a track of where you are as you go along, so you can transfer your position to the paper map when the GPS goes bung. Ideally, you'll be able to fix your position with the map alone.
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 > It's probably excellent advice if you regularly travel in the mountains of East Antarctica though... Probably... if the terrain is a large expanse of white on a white background, navigating by terrain to map association does get a little tricky... But you still need to know where it is you want to get to, so you either need to enter that info into your emergency GPS (rather than leave it festering in your emergency bag), or have a written or mental note of the position/route.
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 After watching Frozen Planet I can conclude that navigation in Antarctica is done by following penguins. I will adapt this for British use by following seagulls (they always know where the nearest chip shop is). I might even start carrying a backup seagull in the bottom of my pack.
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 PMSL! Isn't that tip about seagulls first recommended by Eric Cantona though?
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 LOL (literally!) FM and MK! 
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 Surely you should have three satnavs. That way you can consult them all at every point, and it will be easy to see if one begins to malfunction cos the other two will still agree! 
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 After watching Frozen Planet I can conclude that navigation in Antarctica is done by following penguins. I will adapt this for British use by following seagulls (they always know where the nearest chip shop is). I might even start carrying a backup seagull in the bottom of my pack. 
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 ..... the only way to go is to be equipped with a large ball of string, one end tied to door handle at home ( or other identifiable starting point)and then paid out as you walk. To get home, simply roll up string - stop when you reach door handle and untie. Ensure secondary ball of string in bottom of pack in case first one runs out. If second one runs out .... it's time to go home!
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| Edited: 01/12/11 12:35 |
 Of course if you are a group you could borrow someone elses...
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 If you're a group you'll probably get tangled up in all that string... 
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 If you think you're a group you're schitzophrenic.  ... And you're never alone.
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