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post #15 of Old 10-06-2013
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Re: Charting a course

Originally Posted by ltgoshen View Post
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)
1994 Mason 44 Firefly on loan from my BFF (West River, Galesville, MD)
1991 15' Trophy (Lake Wallenpaupack)
1985 14' Phantom (Lake Wallenpaupack)

Last edited by TakeFive; 10-06-2013 at 01:19 PM.
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