[time-nuts] GPSDO Alternatives
DaveH
info at blackmountainforge.com
Fri Dec 7 03:37:10 UTC 2012
If you had an Ikepod, I might be interested.
http://www.ablogtowatch.com/ikepod-hourglass-time-for-art/
http://www.hodinkee.com/blog/2011/3/29/the-ikepod-hourglass-by-marc-newson-q
uite-possibly-the-coole.html
http://www.ikepod.com/
Dave
> -----Original Message-----
> From: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob Camp
> Sent: Thursday, December 06, 2012 18:23
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] GPSDO Alternatives
>
> Hi
>
> Here's another way to look at this:
>
> An hourglass full of sand (with some attention) and a cesium
> standard are both ways to answer the question "what time is
> it?". Let's say you need a new $40,000 tube replacement in
> your 5371 and management asks "what else can we do?". An
> hour glass is indeed a "something else we can do". They both
> deliver an answer to the time of day question. Without
> defining what you actually *need* to do, they are both valid
> approaches.
>
> The problem comes when you look at the $40,000 repair charge
> and decide that building an hour glass is a lot cheaper.
> While that's true, it's far from the whole story. One way to
> quickly work some of this out is a simple swap proposition.
> Would anybody on the list trade their (working) cesium for my
> (working) hourglass? I'll pay shipping..
>
> Bob
>
> On Dec 6, 2012, at 9:03 PM, Mark Sims <holrum at hotmail.com> wrote:
>
> >
> > I think only TIMER2 on the AVR has the clk/4 limitation.
> The other timers can count at full speed. I know that I
> have counted at 8-12 MHz before...
> >
> >
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