Precise Time without Internet: NTP Server from GPS Satellites

Time nuts are people deeply interested in exact timekeeping. They usually use atomic clocks to get to this holy grail. In today’s video, we will get precise time without internet access or a personal atomic clock. Instead, we will use 5-10 dollar GPS receivers. Fortunately, the atomic clocks we will use are paid for by other people. My second channel: https://www.youtube.com/HB9BLAWireless Links: GPS Dongle: https://s.click.aliexpress.com/e/_oD7tl70 or https://amzn.to/4h2Geyn GPS receiver I used: https://s.click.aliexpress.com/e/_oCavrdy State-of-the-art GPS receivers: https://s.click.aliexpress.com/e/_oEkO9Kq or https://amzn.to/43ivMzJ GPS "Mouse"BN-808: https://s.click.aliexpress.com/e/_opLECQm or https://amzn.to/4h42UOI Antenna splitter: https://s.click.aliexpress.com/e/_oByM5jG Block connectors (for all GPS receivers on the splitter but one): https://s.click.aliexpress.com/e/_oF1mZ7c Writeup: https://github.com/SensorsIot/NTP-Server-with-GPS Patreon supporter companies: https://www.welectron.com/ The links above are usually affiliate links that support the channel (at no additional cost to you). Supporting Material and Blog Page: http://www.sensorsiot.org GitHub: https://www.github.com/sensorsiot My Patreon Page: https://www.patreon.com/AndreasSpiess Discord: https://discord.gg/JfgDSa8 If you want to support the channel, please use the links below to start your shopping. No additional charges for you, but I get a commission on your purchases to buy new stuff for the channel My Amazon.com shop: https://www.amazon.com/shop/andreasspiess For Banggood https://bit.ly/2jAQEf4 For AliExpress: For AliExpress: bit.ly/3MtXUY8 (just go on from here to your product) For Amazon US: https://www.amazon.com/shop/andreasspiess For Amazon.de: http://amzn.to/2r0ZCYI For Amazon UK: http://amzn.to/2mxBaJf For ebay.com: http://ebay.to/2DuYXBp I am no longer on X As an Amazon Associate, I earn from qualifying purchases