You might also consider the Rino radio/GPS. It allows for radio as well as it can keep track of your location and the location of every other radio in your group. https://youtu.be/sjMcXDbzp-8There are several varieties, and made by Garmin.
An unemployed Jester, is nobody's Fool.
the only real difference between a good tracker and a bad tracker, is observation. all the same data is present for both. The rest, is understanding what you're seeing.
~Molɔ̀ːn Labé Skýla~
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