[time-nuts] Re: Sparkfun lists SA.35m

[Lux, Jim]

On 4/3/21 4:22 AM, Dana Whitlow wrote:
> "rubidium laser" ???
>
> Dana

I don't know about the MAC, but the CSAC uses a VCSEL to shine through 
the gas cell.

The MAC is a pretty big thing compared to the CSAC - it's in the usual 
2x2" package and draws 5-8W (after warmup)

>
> On Sat, Apr 3, 2021 at 2:15 AM Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
>
>> I know it's not a particular outstanding atomic clock, but I was still
>> surprised to see that Sparkfun lists the SA.35m for $1995...
>>
>>          https://www.sparkfun.com/products/14830
>>
>> Not in stock though...
>>
>> --
>> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
>> phk at FreeBSD.ORG         | TCP/IP since RFC 956
>> FreeBSD committer       | BSD since 4.3-tahoe
>> Never attribute to malice what can adequately be explained by incompetence.
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