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Today GPS systems are relatively cheap and widely available. You don't even need a dedicated GPS receiver. For example, I often use a Android tablet with a built-in GPS, and software that can rec...
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#1: Attribution notice removed
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System
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2020-06-03T15:54:22Z (over 4 years ago)
Source: https://outdoors.stackexchange.com/a/15359 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/