I am constructing the GPSDO by Yannick99
GPSDO means: GPS disciplined oscillator. All GPS satellites are equipped with synchronized atomic clock, the GPS module receives these signals from several satellites and by triangulation, it knows his location. What interests us is the pulse per second and Data out that is found on the GPS module.
With this precise pulse (from atomic clock), we can make a very very accurate oscillator. This frequency generator is 10.000000000 Mhz +- 0.000000001 Mhz or 1 part per billion on 10Mhz
What for ? For reference, for calibration of frequency counter or just for fun to have one in his lab.
https://www.instructables.com/id/GPSDO-YT-10-Mhz-Lcd-2×16-With-LED/
