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by lxgr 1387 days ago
Thanks, I missed that part of the announcement.

That is a very important feature – knowing whether an SOS went through is extremely important in a life-or-death situation (for making the decision of whether to best stay put or try to climb to better signal etc).

PLBs are actually gaining that feature as well (by using Galileo as the forward path for the acknowledgement signal) for the same reason.

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Does Galileo offer two-way communication?