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A SPOT will only work if you can see the sky. If you're in a deep canyon where there's not simultaneous line of sight to enough GPS satellites, it won't work. PLB's these days all include GPS, but ...
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A SPOT will only work if you can see the sky. If you're in a deep canyon where there's not simultaneous line of sight to enough GPS satellites, it won't work. PLB's these days all include GPS, but ...