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			This sounds like something that would be really fun to do.   
 
My question is this: Do I need a really expensive GPS unit?  I'm thinking this is something I would really like to do, but I don't want to spend a lot of money on a GPS until I know for sure.   
 
Also, what's a good GPS unit.  I've seen the name Garmin a lot in reply to this question, even earlier on this thread in fact.  Are they the best manufacturer?  
 
I'm getting excited.  I'm thinking this could be really fun.  
 
GSG
		 
		
		
		
		
		
		
		
		
	
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