Anyone who owns/buys one should take the responsibility as you did to find out. The Air Force and Coast Guard aren't too cool with "oops, my bad", after they fly a SAR helicopter and crew an hour to a false alarm. Not cool at all.

Why don't we pin this to the top until we get someone in the UK to call that number.
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Better is the Enemy of Good Enough.
Okay, what’s your point??