On 9 Jan 2012, at 16:21, Warner Losh wrote:

> 
> It breaks earth-facing applications and nothing else.  No examples have been 
> given of what it breaks apart from that.
> 

More specifically, it breaks a subset of earth-facing applications which rely 
on UTC, by name, and have no means to apply any offset other than DUT1 in the 
range |DUT1|<1, but do have the ability to apply those small DUT1s, which in 
turn tends to imply that these are applications which get DUT1 from broadcast 
sources which only have a resolution of 0.1s, and therefore can tolerate a 
pointing error of ~0.05s.   That seems quite a small subset of equipment, and 
one has to ask whether the rest of society needs to pay the price for it.

ian

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