I've got a new toy - a Garmin eTrex Venture HC. It's a hand held GPS unit with full colour screen and high sensitivity GPS receiver. It has on-screen mapping of topographical features - roads and tracks, contours, streams & rivers, forests - the stuff you need for being out in open country as opposed to navigating by road as you do when in a car.
I bought it for mountain biking, for three main reasons;
- So I know where I've been. Strange as this may sound, after many rides where someone else is leading I have absolutely NO idea where I've been!
- So I can follow those routes (and others) again. The unit has route guidance built into it, though it's not the "get me to there" type of guidance that you get with car-based sat nav units.
- 3 So I know where I am if I happen to get lost.
It's a lovely little device. Coupled with Memory Map mapping software it lets you see in great detail exactly where you've been - it's actually been a surprise to me how accurate not only this device but Ordnance Survey maps are. The routes we follow on moorland tracks and bridleways tie up with the maps almost to the inch. It's comforting to know that this degree of accuracy is achieved.
Being a bit of a stats whore the features that the Garmin/Memory Map combo provide are fantastic. Speed, times and altitude profiles of your route are shown, with a nice little "dot" that moves around the route and the profiles at the same time so you can tie them together.

I'm a bit obsessed with it at the moment though, and take it with us when we walk to the shops, then analyse our performance when we get back.
Wife really needs to pick the pace up a bit!
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