Good questions, Hal.
This reminds me of the HP Cesium Beam Tube useful
life. The standard tube, at least, is such that it is unlikely
to last long enough to completely use up the cesium.
Then there is the rest of the instrument.
My experience with the HP Rubidium units is that if
you just
p.bo...@xs4all.nl said:
> We were seriously considering the Muquans clock for a radio astronomy
> project. However, the company explained that the device has to be returned
> every 3 to 5 years for re-filling. Given the very remote location we were
> going to put these in, that was out of the
Hi Attila, everyone,
On 11/3/19 7:12 PM, Attila Kinali wrote:
You do not need to replenish the Rb supply, as the Rb atoms do not get
used up. They are free floating in vaccuum and get captured by the MOT.
Thus, unlike the Cs beam's oven, which just spits the Cs atoms out,
the MOT does not need
Hi
You probably need more heat sinking than that assembly provides. It’s a case of
“better to much
than to little”. The life of the device will extended with more heat sinking.
Bob
> On Nov 7, 2019, at 2:47 PM, Fio Cattaneo (.US) wrote:
>
> Hello folks, I just got a Symmetricom SA22.C
Great graphs and screenshots, thanks for sharing I have a couple
questions for you (see answers/comments below):
a) Which cmd line tool did you use for the sreenshots in zegar_stats_pl.png
and gpsdo_stats_pl.png ? Is that what you call your "simple perl script"?
mind sharing it, I like it
b)
Hi,
For fun I hooked up a TCXO to an Arduino. That Arduino then interfaces
the TCXO to the I2C in the VGA connector and then with some magic code,
it syncs the PPS signal to NTP.
https://vanheusden.com/misc/blog/2019-11-07.php
Curious what you think.
Regards,
Folkert van Heusden
--