Join Date: Oct 2009
Location: Swarthmore, PA
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Re: Charting a course
My GPS 78
has no maps on it ?
I need a new one just need to bite the bullet and do it...
Maybe you just need to buy a Bluechart chip.
I believe that Garmin's model numbers require a letter after the number to designate a built in chart. 78c has marine charts, 78t would have topo map, etc. If it has no letter, it only has a low-res base map, and you need to buy one of their Bluechart chips to have the built-in chart.
Don't go throwing away your 78 - it might be cheaper to buy the chip.
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1998 Catalina 250WK Take Five (at Anchorage Marina, Essington, on the Delaware River)
1991 15' Trophy (Lake Wallenpaupack)
1985 14' Phantom (Lake Wallenpaupack)
Last edited by TakeFive; 10-06-2013 at 12:19 PM.