[time-nuts] From Sundials to Atomic Clocks

Azelio Boriani azelio.boriani at screen.it
Mon Sep 19 14:07:29 EDT 2011


Rob,
is it possible to scan the asides? The PDF from NIST has the asides too dark
to be readable (the last one is really difficult/impossible to read).
Thank you

On Mon, Sep 19, 2011 at 6:58 PM, Rob Kimberley <
timing.consultants at btinternet.com> wrote:

> Some history for you on this...
>
> The original idea came from Dr Jim Barnes who was head of T&F at NBS
> (NIST).
> The idea was not well received from some quarters at NBS as it was "too
> simplistic", and not "technical enough".
>
> Jim later worked for Austron and was there as Chief Scientific Officer when
> I worked for them in the mid-80s.
>
> I agree with you, a great read!
>
> Rob
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of paul swed
> Sent: 19 September 2011 4:24 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] From Sundials to Atomic Clocks
>
> Funny I was just reading the hard copy I have last night.
> Great document and funny.
>
> On Mon, Sep 19, 2011 at 10:38 AM, Rob Kimberley <
> timing.consultants at btinternet.com> wrote:
>
> > Hi Mike,
> >
> > I bought a bunch of these when I worked for Austron, and gave them out
> > to customers and reps. It was very well received. I have one original
> > copy left at home, so thanks for the PDF link.
> >
> > Rob Kimberley
> >
> > -----Original Message-----
> > From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]
> > On Behalf Of Mike Fahmie
> > Sent: 07 September 2011 6:27 PM
> > To: time-nuts at febo.com
> > Subject: [time-nuts] From Sundials to Atomic Clocks
> >
> > On a visit to NIST Boulder (then known as NBS) many years ago (1978),
> > I was presented with a copy of NBS Monograph 155, "From Sundials to
> > Atomic Clocks"
> > by one of the authors.  I found it to be a fantastic read, it answers
> > all of those questions about Time & Frequency that you were afraid to
> > ask.
> >
> > I stumbled on it again today in PDF form on the NIST website, it has
> > undergone two revisions and this URL points to the most current (1999)
> > edition.
> >
> > http://tf.nist.gov/general/pdf/1796.pdf
> >
> > -Mike-
> > WA6ZTY
> >
> >
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> >
> >
> >
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