[time-nuts] Low-long-term-drift clock for board levelintegration?
woody at pch.net
Wed Feb 22 01:05:37 UTC 2012
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On Feb 21, 2012, at 11:12 AM, Mark Spencer wrote:
> Perhaps another way to approach this problem would be to see if there are entities and or individuals who already have precision time keeping equipment (or at least access to GPS antennas) who might be able to participate in collecting this data.
That approach has been tried by RIPE, and it yielded a couple of dozen usefullly-reliable measurement points after five years, twenty thousand man-hours, and about USD 1M in investment. That's not the approach we're taking, though certainly it has produced some useful results. The rate at which the number of links increases as a function of the number of nodes in a full mesh is a powerful incentive to pursue larger numbers of nodes.
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