[ntp:questions] Isolated Network Drift Problem
unruh-spam at physics.ubc.ca
Wed Nov 26 01:00:02 UTC 2008
cwebster at ec.rr.com (Cal Webster) writes:
>On Tue, 2008-11-25 at 22:29 +0000, Steve Kostecke wrote:
>> On 2008-11-25, Cal Webster <cwebster at ec.rr.com> wrote:
>> > ... We'd have to run a long cable [to the GPS18LVC] though,
>> > the computer lab has no windows and the roof is the most logical place
>> > to put an antenna. I don't think USB will handle that much line loss.
>> It is RS-232, not USB.
>Thanks for clarifying. When searching I saw 3 versions, serial, USB, and
>bare wire. I think my point was that the bare wire version [GPS18LVC]
>would need to be used to span that distance.
The bare wire version is the ONLY one that has the PPS. You must use it if
you want accuracy.
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