On 2009-10-03, at 23:56, Rob Seaman wrote:
> However, is it a true assertion that currently deployed GPS receivers
> return GPS time significantly more reliably (all those 9's) than they
> do UTC? (Assuming a particular model supports both?)
>
> It's hard to see this as supporting a position that "Only UTC can be
> disseminated"...
It was not even clear how that phrase was meant, let alone how one would
arrive at such a conclusion.
Some possible interpretations:
- Only the time scale currently called "UTC" can be disseminated. (why??)
- It is not possible to disseminate a clean count of SI seconds (why not??)
- It is only practical to disseminate a time scale that has a simple
relationship to legal time (i.e. UTC).
- whatever the disseminated time scale, it has to be called "UTC" (sounds
like ITU's position)
etc.
Does anyone have a clue?
N
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