• Do the SOS functions rely on mobile signal? The ones I've used (running) all rely on the mobile network. On the Spine Race there is a known signal black spot and the rules ban stopping in this area for more than an hour for safety reasons.

  • They used GSM trackers this year, so yes. And then it's not real SOS, just sends a text to pre determined number.

    @hippy they don't use spot tracker now.

    I own a spot and inreach both with GEOS SOS. Essentially if I hit SOS the GEOS control room will move heaven and earth to come rescue me and won't stop still they get to me. I really would t race without it. A small cost for peace of mind.

  • Wow, I never thought of that. I had my own spot, working on satellite.
    GSM trackers in a mountain area with no signal is a massive risk assessment fail.

  • they don't use spot tracker now.

    Yeah but I used to bring my own SPOT anyway.
    I fucked that off, as you know, they were shitty.
    If I was to buy another one, I'd get an InReach Mini I reckon.

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