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Oh, hey, that reminds me. I also use mine with an external GPS (Dual XGPS) for charts while sailing and for topo maps with Gaia GPS when I need that kind of th
by halbritt 8y ago
Oh, hey, that reminds me. I also use mine with an external GPS (Dual XGPS) for charts while sailing and for topo maps with Gaia GPS when I need that kind of thing.