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Subject:
From:
Orf Bartrop <[log in to unmask]>
Reply To:
PCBUILD - Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Sat, 26 Feb 2005 15:59:48 +1100
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There is also a program that you can download from
http://www.mirage1.u-net.com/cloxdnld.htm that will not only keep you
system clock synchronized with an atomic clock it will also allow
several clocks to show times in different zones around the world.

Orf Bartrop

Lewis C Emerson wrote:

>There are a number of web sites that offer software that will synchronize
>your computer clock to the world's timing standard, the Cesium atomic
>clock at the National Institute of Technology (NIST), in Boulder, CO.
>Years ago they were known as the National Bureau of Standards (NBS). The
>signals are accurate (they say) to one part in ten billion.
>
>You can download  SYNCCLK.EXE at www.answersthatwork.com and there's
>another one at www.worldtimeserver.com/atomic-clock.
>
>For those of you who set your computer clock manually here's another bit
>of useful information.  You can buy, for a very reasonable price, a desk
>or wall clock with a build-in radio that picks up the NIST timing signals
>from their transmitters at Fort Collins, CO - they get the info from that
>Cesium clock in Boulder - some 40 or 50 miles away.  An interesting
>tidbit is that the 200 microseconds or so that it takes to transmit the
>signals from the clock in Boulder to the transmitters in Fort Collins is
>taken into account before they are sent out to the world.  Walgreens Drug
>Stores are selling the clocks for between $5 and $20 depending on whether
>or not you want the month, date, temperature, etc along with the time.
>For those in the Far East there's another NIST transmitter in Hawaii.
>(The fact that the clocks are made in China explains the low prices)
>
>I'm a ham radio operator and occasionally check my Walgreen clock here
>against the timing signals I can receive direct from the NIST
>transmitters (I'm in Tennessee and can hear both the Colorado and the
>Hawaii transmitters so the range is quite good) and there's never been
>any discernable difference between the two in the past two years.
>
>One other item - I had thought that there was a capacitor in the computer
>battery circuit that holds the voltage up for the short time interval
>that it takes to replace the battery so the computer doesn't lose it's
>mind then..  Does anyone know for sure?
>
>Best,
>
>Lewis Emerson
>
>              The NOSPIN Group is now offering Free PC Tech
>                     support at our newest website:
>                          http://freepctech.com
>
>
>

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