Join Date: Sep 2003
Location: Auckland New Zealand
Thanked 36 Times in 33 Posts
Rep Power: 14
Question and answer time
Q) What is the longest single voyage I'm likely to do?
A) Probably 4 weeks at sea.
Q) How many satellites does my GPS log onto at any one time?
A) Mmmmm - normally 9, sometimes 11
Q) How many does it need to give me a fix?
A) I think it's 3
Q) What are the chances of any 6 satellites getting taken out by space debris in four weeks?
A) Very, very remote.
Q) What are the chances that all 6 will be in my sector of the sky?
A) None at all.
Q) Should I be worried?
A) I don't think so.
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"Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying."
Arthur C. Clarke