[Scan-DC] D.C. Embassy Tours

[Andrew Clegg]

You can also download utilities to set your computer clock to the USNO clock 
(or some other atomic clocks). I use a free program called Dimension 4, and 
it automatically syncs to a USNO server. I think the accuracy is a 
millisecond or so to start with. I set my PC to sync every few minutes, 
since computer clocks typically drift pretty badly.

One thing (among many) that irks me about Windows Vista is that it has its 
own time client which works very poorly (I routinely find it inaccurate by a 
few seconds), and then it refuses to allow you to install your own, because 
that would "interfere" with Vista's bad program.

Speaking of time, I'm often surprised that some public safety clocks are off 
by a minute or two. I hear dispatchers announce the time, and sometimes they 
are off by that much. You would think having an accurate clock would be a 
basic requirement for a public safety answering point.


----- Original Message ----- 
From: <b_thom at juno.com>
To: <scan-dc at mailman.qth.net>
Sent: Sunday, May 10, 2009 12:39 PM
Subject: Re: [Scan-DC] D.C. Embassy Tours


>
>
> On Sun, 10 May 2009 07:56:33 -0400 "Andrew Clegg" <w4jecom at w4je.com>
> writes:
>
>> By the way, for all the time nuts like me, the Naval Observatory has
>> a giant
>> digital clock at the entrance, which is set to their atomic clock.
>> The USNO
>> is charged with being the chief timekeeper for the military, like
>> NIST is
>> the timekeeper for the public.
>>
>> Andy
>
>
> On Sun, 10 May 2009 10:50:57 -0400 Doug Kitchener <oldsdoug at hotmail.com>
> writes:
>>
>> I took a tour of the Naval Observatory several years ago when they
>> had an open house... unfortunately I don't remember much of anything
>> specific about it (so am due to go again!), but it was well worth
>> the effort!  I do remember a very old telescope.  Tours are limited
>> and fill up quickly, they are usually on Monday evenings.
>>
>> http://www.usno.navy.mil/USNO
>
> For good time, call 202-762-1401.
>
> http://tycho.usno.navy.mil/what.html
>
> http://www.usno.navy.mil/USNO/time/telephone-time
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