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    Re: Smartphone navigation
    From: Bill B
    Date: 2012 Jul 20, 17:47 -0400

    On 7/20/2012 4:39 PM, Frank Reed wrote:
    > Smartphones can determine your position.
    
    I know smartphones have had a GPS chipset for a long while. I watch
    friends use their smartphone to navigate streets like a Garmin etc.
    automotive GPS.
    
    My question is this: Does the street nav app actually download and store
    the map database(s), or is it picking up the information on the fly?
    Will a nautical chart app work when out of range of cell towers or WiFi?
    
    Bill B
    
    
    
    

       
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