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Chrony offset graph from Grafana

Raspberry Pi Stratum 1 NTP Server Build - Part 2

This post is a follow on to the previous post Raspberry Pi Stratum 1 NTP Server Build - Part 1. This part covers the basics of setting up Telegraf to collect metrics from Chrony, some attempts to improve the stability of Chrony's time offsets, and finally adding a PPS

By Phil Sanchez 13 Oct 2026
Raspberry Pi Stratum 1 NTP Server with U-blox LEA-M8T GNSS module

Raspberry Pi Stratum 1 NTP Server Build - Part 1

Recently I decided to build a new GNSS/GPS based NTP server using a Raspberry Pi 5. I had previously done this on a Raspberry Pi 3 however this hadn't been working for a while so rather than just re-building that I thought I would improve on

By Phil Sanchez 12 Oct 2026
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