Join Date: Oct 2009
Location: Swarthmore, PA
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Re: Cellphone Nav?
There is an easy way to determine whether your GPS capable cell phone would work as a GPS when out of reach of cell towers. Just put it into "airplane mode," then manually turn on the GPS functionality. Test it with a freestanding chart plotter program (like Marine Navigator Lite on Android) and see if it gets a fix.
Do not do this test with Google Maps, because it has to download its maps over the internet. Some chart plotter programs also requires internet connectivity to download the charts in real time, while others will cache the charts. Some, like NutiCharts, will cache the charts with the paid version, but not with the free version.
Marine Navigator caches the charts with both the paid and free versions.
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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)