Re: Help needed with USB GPS device

[Bryan Christianson]

You could ask these questions in the chrony-users email list where you will get 
more definitive answers - https://chrony-project.org/lists.html

> On 4/03/2024, at 03:15, Gavin Davenport <gavdav@gavdav.net> wrote:
> 
> I have
> refclock SHM 0 refid GPS precision 1e-2
> 
> and after restarts and a wait....
> MS Name/IP address         Stratum Poll Reach LastRx Last sample
> ===============================================================================
> #* GPS                           0   4   377    21  +1517us[+1853us] +/-   
> 13ms
> 

My understanding of this result is:

The most recent sample had an offset of +1517us from NTP
The average offset is +1853us (not sure of the interval here)
The std dev is +/- 13 ms (again - not sure of the interval)


Bryan Christianson
bryan@whatroute.net