On Mon, May 07, 2012 at 05:06:55PM +0100, Ed W wrote:
> So my theory is that gpsd is measuring the timestamp of the end of
> the ZDA sentence (and working that back to get the initial
> timestamp) and this gives an additional 0.5-1ms jitter that might
> not be there if we measured the timestamp of
Hi, I'm getting very decent results with chrony and a usb gps.
According to the statistics the std dev is around 1ms, which I might
hope is slightly too high and that as low as 0.5ms is feasible? I think
that this might indicate that we can do better measuring the arrival
time of the $ in the
On Mon, 7 May 2012, Ed W wrote:
Hi, I'm getting very decent results with chrony and a usb gps. According to
the statistics the std dev is around 1ms, which I might hope is slightly too
high and that as low as 0.5ms is feasible? I think that this might indicate
that we can do better measuring