[Elecraft] Atomic Clocks and Aluminum Siding

Ron D'Eau Claire rondec at easystreet.com
Sun Jan 9 15:34:08 EST 2005


Charles wrote:

The "cheapest" GPS receiver I ever bought costs $100 compared to the > $25 
for the WWV clock.  That was a couple of years ago, and the cost of both 
has come down.  That's the why.
-------------------------------------

I thought atomic clocks were desired for their "gee whiz" interest, not
because someone usually needs to know what time it is to the nearest
millisecond. 

For logging or station activities, I've never kept time closer than the
current minute. That means my $6 Radio Shack digital clock that I chose
because it was on sale and provides a 24-hour time format is perfect. It
stays accurate to within one or two seconds a month. Setting it twice a year
against WWV at 5 or 10 MHz means the contact times in my in my station log
are always exactly right. 

And, for $6 if I ever lose it I'll not cry... Too much...

I'm serious about the value of the "gee whiz" factor as in, "Gee whiz! Look
at that!" 

After all, isn't that why we're all hams and why we build gear? Let's not
insist on diluting the sheer enjoyment of the "Gee whiz" response with petty
practicality...

Ron AC7AC




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