The confirmation message sent to the beacon is the "Return Link" (#RLS - #returnLink), or, in French, "Signal de réassurance".
It confirms to the person in distress that their call for #help has been received and located - someone, somewhere knows you are in trouble, and where !
What a great day at the Careers Fair at St Marys Stadium in Southampton last week. We met a lot of very interesting people and spent the majority of the day talking about how great it is to work in construction.