On 14/08/2013 17:44, Rob wrote:
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How does a "good" receiver know the correct time?  Does it rely on
local (backed-up) storage, or is there some way of receiving it via
the almanac?  Or are "good" receivers hardwired as well, only with
a different valid span?

I would not be surprised when "good" receivers turn out to have just
a different moment or mode of failure.
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Some receivers have battery backup, in fact all but one of the receiver types I use have this.

I have an awful feeling that you are right about the potential for failure - it might take 19 years to find out, though!
--
Cheers,
David
Web: http://www.satsignal.eu

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