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Garmin E-trex for handheld use for me. I have maps, compass, and only use GPS on foot for a confirmation of where I already know I am.
Garmin 276C for vehicle mounted. I have the 128? meg card in it, because of software limitation in the computer mapping system.. won't let you fill up a 256 card, although they sell them.
I have over half of Alaska (read about 1/10th of the US) installed in the card, all topo maps to boot. It comes with streets built in.
Navigation, it can do the talk to you stuff, but at least from what I have found here, the streets that came with it stock aren't the best so I seem to track off a road all the time... which doesn't bother me, because I typically preplot my routes with checkpoints and just have to navigate to them.. plus there's only like 8 highways in alaska anyway.
Perfect for vehicular navigation though. It feeds off my truck for power, and I can install an external antenna if I want. Have had no need as of yet, though. Regardless of conditions. It Rocks.
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