Keep your fix
with its high-sensitivity, waas-enabled gps receiver and hotfixtm satellite prediction, gpsmap 78 locates your position quickly and precisely and maintains its gps location even in heavy cover and deep canyons. The advantage is clear — whether you’re in deep woods or just near tall buildings and trees, you can count on gpsmap 78 to help you find your way when you need it the most.
adding more maps is easy with our wide array of detailed marine, topographic and road maps, available on microsd card. Conveniently plug in bluechart® g2 preloaded cards for a great day on the water or city navigator nt® map data for turn-by-turn routing on roads (see maps tab for compatible maps). The card slot is located inside the water resistant battery compartment, so you don't have to worry about getting it wet. Gpsmap 78 also supports birdseyetm satellite imagery (subscription required), that lets you download satellite images to your device and integrate them
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