Displaying 2 results from an estimated 2 matches for "rubudium".
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rubidium
2017 May 24
2
System Time Source
On Wed, May 24, 2017 10:45 am, Warren Young wrote:
> On May 24, 2017, at 8:52 AM, Chris Adams <linux at cmadams.net> wrote:
>>
>> Once upon a time, Warren Young <warren at etr-usa.com> said:
>>> a. It???s transmitting from a fixed location in a time zone you
>>> probably aren???t in ??? US Mountain ??? being the least populous of
>>> the lower
2017 May 25
0
System Time Source
...ng a CentOS box
using an Agilent Z3816 GPS-disciplined OCXO with timecode and 1PPS
outputs. Our primary is a Datum/Symmetricom SSU2000 modular system with
a cesium PRS, a rubidium stratum 2E secondary clock, and an OCXO stratum
3E tertiary clock. The cesium PRS is down at the moment, but the
rubudium is close enough for current work.
The CentOS box runs very well for this purpose, and the interface wasn't
too difficult. I have not implemented the 1PPS discipline for the
kernel clock as yet, however, since the SSU2000 is up.
As far as cost is concerned, I would think CDMA, GSM, or LTE t...