Re: Fw: [ntp:hackers] u-blox reference clock driver

2018-08-23 Thread Achim Gratz via devel
I have been contacted off-list by the supervisor of Lukas' thesis. Lukas has left the university after graduation and is pursuing a slightly different career direction for now it seems, so it looks like we need to work with what we've got and take it from there. I will be out for a few days with

Re: Fw: [ntp:hackers] u-blox reference clock driver

2018-08-12 Thread Achim Gratz via devel
Gary E. Miller via devel writes: > He added a u-blox driver to ntpd, and modifed the kernel to reflect the > PPS pulse back to the u-blox. The u-blox measures the round trip time > and provides a correction back to the driver. As far as the analysis of the error sources goes, this is a bit on the

Fw: [ntp:hackers] u-blox reference clock driver

2018-08-11 Thread Gary E. Miller via devel
Yo All! The message below was posted to ntp.org. This guy did what some have proposed for a long time. He added a u-blox driver to ntpd, and modifed the kernel to reflect the PPS pulse back to the u-blox. The u-blox measures the round trip time and provides a correction back to the driver. T