Re: [HearSat-L] What time is it, really?

Will Marchant (kc6rol@amsat.org)
Fri, 04 Jun 1999 14:16:24 -0400

You might consider the "Totally Accurate Clock" kit available from 
http://www.tapr.org which uses GPS to synch your system clock.  Accurate
to a few microseconds.  You'll also get a good accurate position for
your location which is also a help in predictions.  
	Will

"J. Lee Blanton" wrote:
> 
> Hello fellow satellite fans:
> 
> The question of "What time is it?" is very important for making accurate
> satellite observations but isn't very easy to answer.  I've seen ads for
> so-called "atomic clocks" that are available from Radio Shack and elsewhere
> which are synchronized with low frequency time signals.  Many of these
> don't even have a 'seconds' display or can't be set to UTC.  Does anyone
> know of a really good one suitable for satellite observations?  An accuracy
> of 0.1 second or better would be nice.  I'd appreciate any advice.  Thanks.
> 
> Lee
> 
> _____________________________________________________________________________
> J. Lee Blanton                          email:               blanton@pe.net
> Temecula, California                    Tel/Voicemail/FAX:   (909) 699-6903
> 33.519N 117.102W 413m
> _____________________________________________________________________________
> 
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-- 
Will Marchant, KC6ROL
kc6rol@amsat.org		http://www.citizen.infi.net/~wmarchan
marchant@ssl.berkeley.edu	http://chips.ssl.berkeley.edu/