[time-nuts] A readl atomic wristwatch

Bob Camp lists at rtty.us
Tue Oct 1 20:29:41 EDT 2013


HI

There was a *lot* of government money that went into developing that product. I think it's safe to say that without the government backing it would not exist. There's a *lot* of money to be made before a true "next generation" product gets designed. 

Bob

On Oct 1, 2013, at 8:10 PM, Mark C. Stephens <marks at non-stop.com.au> wrote:

> Hey Hal, 
> 
> 
> Symetricom need sales and investment in this product, to get back the R&D costs.
> I believe this is the first Gen?
> If they get the volume the price has to drop.
> 
> However, It is a bit sucky marketing can get away with that.
> I wonder if they have good and bad CSAC a la Crystal oscillators or I haven't grasped the importance of this yet :)
> 
> 
> --marki
> 
> 
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf Of Hal Murray
> Sent: Wednesday, 2 October 2013 9:54 AM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] A readl atomic wristwatch
> 
> 
> marks at non-stop.com.au said:
>> That's the first time I have seen a practical explanation and working 
>> example of a CASC in operation.
> 
> Practical?
> 
> What's the battery life?  How accurately can you read a watch dial?
> 
> 
> How good are modern watches?  How do crystals compare with mechanical?  Where is the crossover point between watch accuracy and human read-it accuracy?  Is that before or after the CASC watch runs out of battery?
> 
> I suppose you could put it on the charger every night, next to your cell phone, but then I could make a crystal watch that connects to a "charger" 
> stand that also sets the time.
> 
> 
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
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