In message: <20100813112006.17784.qm...@protonet.co.za>
p...@2038bug.com writes:
: Jonathan E. Hardis writes:
:
: > On Aug 13, 2010, at 5:00 AM, p...@2038bug.com wrote:
: >> All this talk of GMT/UTC/Legislature makes me ask how the world
: >> currently syncs their time.
: > http://www.bipm.org/en/scientific/tai/tai.html The best method is
: > Two-Way Satellite Time and Frequency Transfer (TWSTFT), utilized by
: > those laboratories with green dots. The others use some method of GPS
: > common-view, such as Single Channel (SC) or Multi-Channel (MC).
:
:
: This is not how 100's of millions of computers on the Internet sync
: their time.
:
: It is merely how a handful of scientific labs sync their time.
GPS time sync is a lot more common than that. Somewhere between tens
and hundreds of thousands of GPS-driven NTP servers are sold every
year.
Warner
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