It's hard to have a good time on a Mac
Jeff Geerling
May 16, 2025 14:00
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Chapters
Horology is hard. It's even harder on a Mac. Yes, even the $7000 Mac Pro.
Resources mentioned and products referenced in this video (some links are affiliate links):
- Blog post with all the gory details: https://www.jeffgeerling.com/blog/2025/using-gps-most-accurate-time-possible-on-mac
- The USB GPS module I was using: https://amzn.to/4j08we1
- Decent little GPS antenna with U.FL adapter: https://amzn.to/43dxctt
- NIST-F4 Clock video: https://www.youtube.com/watch?v=CYpBaUgxGl4
- ChronyControl: https://www.whatroute.net/chronycontrol.html
- GPSDConfig: https://www.whatroute.net/gpsdconfig.html
- Precision Clock by mitxela: https://www.youtube.com/watch?v=SNqm5T5syTM
Support me on Patreon: https://www.patreon.com/geerlingguy
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy
Merch: https://www.redshirtjeff.com
2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff
Contents:
Science & Technology
#time
#mac
#macos
#mac os
#apple
#macintosh
#power
#pro
#mini
#m4
#m3
#m2
#m1
#silicon
#horology
#timing
#gps
#gnss
#global
#positioning
#system
#satellite
#navigation
#pnt
#position
#data
#pygpsclient
#gpsd
#cgps
#chrony
#chronycontrol
#gpsdconfig
#apps
#app
#server
#ntp
#ptp
#pps
#pulse
#per
#second
#accuracy
#measurement
#measure
#nist-f4
#nist
#cesium
#atomic
#clock
#clocks
#mitxela
#precision
#precise
#nanosecond
#microsecond
#millisecond