TuskenTower on 26 Mar 2008 10:54:10 -0700 |
On Wed, Mar 26, 2008 at 11:39 AM, Eugene Smiley <eug+plug@esmiley.net> wrote: > > TuskenTower wrote: > > On Tue, Mar 25, 2008 at 6:00 PM, Eugene Smiley <eug+plug@esmiley.net> wrote: > >> An ST0 source is either a radio, telephone, or > >> GPS receiver that feeds an ST1 NTP server time data. > > > > You know, that begs the question, if I can buy an atomic clock, why > > don't I just buy one the works with my computer? The one that I have > > syncs with some terrestrial broadcast. > > I'm not sure what you are asking. I doubt you are asking about the atomic clocks > owned by governments, costing millions of dollars. Are you talking about > inexpensive clocks like these (which run off the WWVB radio broadcast signal): > http://www.atomicclocks.com/ Yes, that is what I meant. > I'm not sure of the degree of accuracy of these clocks, but guess it to be > around +/- .25 sec. It would get too expensive to make it more accurate with > little return. Well, considering I just want the correct time within a minute, that level of accuracy is good enough. I'm thinking strictly from home use point of view, not business or security critical where time matters. > This, http://www.amazon.com/Garmin-010-00258-52-Gps-16-LVS/dp/B000GKD19Q, is > what is commonly used in the pool community, but it's not plug and play. It > requires some hardware tinkering as well as software recompiling. > > To be honest I'd rather see all my household clocks/TVs/VCRs/stove/microwave > replaced with 'dumb' clocks that get the time from a timeserver blackbox that > plugs into a broadband connection. The drawback being that every piece of > equipment(clock/TV/VCR/stove/microwave) would require a Powerline Ethernet chip > (or similar tech) adding to the cost and complexity. Now that is an idea. HomePNA has a an interesting use. Amul ___________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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