Thanks for the replies, there is something in me that just cannot use a smart phone as a sat nav. Having used on in the UK a fair ammount i know how hit and miss signal can be let alone what it's like in the desert!
I'm even wary of using a car style sat nav as opposed to a GPS but at the end of the day they really are the same thing. Whatever happens I will always back this up with a map and a compass as I'm more confident in my abilities using those than a sat nav...but saying that a sat nav is of course very useful when it works.
Would most people trust a car style sat nav say vs a montana or monterra style GPS?
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