4 ms·
You can always use a gpsd(4) compatible USB dongle as the time source.
by anthk 3y ago
You can always use a gpsd(4) compatible USB dongle as the time source.
- JohnFen 3y agoOr run their own NTP server. That's what I do in my home network.
- toast0 3y agoSure, if you have such a dongle, and it has sufficient view of the sky. Adding a 'free' https based sanity check on top of NTP seems like a good balance of cost vs reward. gps (and friends) is a nice way to get access to a very accurate timesource, but it's not always worth the cost.
- labawi 3y agoGPS doesn't send full time. It wraps every 1024 weeks, or about 20 years, hence you need a (very) rough basis in case the system is over 20 years old.