Скачать или смотреть It's about time...

I control time now! At least, in the studio.

PTP, NTP, GPS, PPS, what's it all about? In this first part to a new time series, I'll show you how I built a Raspberry Pi grandmaster time server for my network. Then I'll see how it compares to a commercial grandmaster clock from MasterClock!

Mentioned in this video:

My Time Pi project: https://github.com/geerlingguy/time-pi
Time HAT V4: https://www.tindie.com/products/timea...
GPS Module: https://www.tindie.com/products/timea...
Masterclock CLDNTD12 Analog/Digital NTP Clock: https://www.masterclock.com/digital-a...
Masterclock NTDS112 Rackmount NTP Clock: https://www.masterclock.com/ntds112-n...
The Atlantic - Where Time Comes From:    • Where Time Comes From  
US Naval Observatory Tour:    • United States Naval Observatory Tour  

Support me on Patreon:   / geerlingguy  
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy
Merch: https://www.redshirtjeff.com
2nd Channel:    / @geerlingengineering  
3rd Channel:    / @level2jeff  

Contents:

00:00 - It's about time...
00:18 - The Time Lord!
01:25 - Building a Time Server
02:16 - Turning back the clock
03:47 - Where does time come from?
04:32 - Time Pi
06:42 - How much does it cost?
07:25 - The grandmaster challenger
08:19 - Modern clockmaking
09:51 - Masterclock's Production Lab
12:14 - DIY or buy?
14:24 - The Doctor is in
15:19 - Only the Beginning