https://hackaday.com/2021/07/25/portable-gps-time-server-powered-by-the-esp8266/
Portable GPS Time Server Powered By The ESP8266 | Hackaday
Jul 25, 2021 - Most Hackaday readers will be familiar with the idea of a network time server; a magical box nestled away in some distant data center that runs the Network...
gps time serverpowered byportableesp8266hackaday