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Let's go through the different aspects of phone versus dedicated GPS device point by point (however, quite surely without being complete). Basically you have to decide which points apply in your situation and how you weigh them. GPS reception and accuracy When the first smartphones with GPS units hit the market, there was the saying that their GPS ...


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Most GPS receivers in phones work not nearly as good as stand-alone GPS devices. Usually, one wouldn't notice this because phones use assisted GPS where they get the orbital data and/or almanac of the GPS satellites as well as the exact time from the GSM network. Also, they have a average position of the device. Without that data, phones are very slow ...


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For your situation I strongly advice against relying on your phone. It's a great backup but to much of a risk to use as a main device. Three reasons to get a dedicated gps: Batteries: A gps mostly works on standard AA batteries which can be bought anywhere and rechargeable ones are easily charged on solar energy. (look up goal-zero for instance). ...


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I use Timble GPS Hunt Pro on my Samsung Galaxy S5 phone. You can download topo, BLM boundaries, private property and other types of maps that work just fine without a cell signal. The maps I use are incredibly detailed. If you do have cell coverage, you can add weather overlays. Map prices are reasonable, and you can buy a subscription that lets you ...


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In the marine environment, it's often a little easier if you reference a known location. Offshore, you want to use lat/lon coordinates for sure. But if you're a mile from the coast (or less), it's a lot easier for people to find you if you say "We're a hundred yards south of buoy three, looking at the hotel with the red roof." I worked for a water rescue ...


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I think you already answered your own question. Most dedicated GPS devices are more rugged, have better battery life, and don't require a data connection to work well. A phone has a lot of power overhead and is fragile. There are a few possible advantages to a phone. If you're already going to be carrying one, it reduces the total weight required. It's ...



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