The book is about GPS and other GNSS satellites and how we can use the data broadcast by them for amateur radio. It includes several Python programs and a few inexpensive Raspberry Pi projects that you can build at home. They illustrate how you can experiment with using the GPS data in your amateur radio endeavours.
There are experiments using a Raspberry Pi Zero2, Python software, cheap GPS receiver boards and a Nextion display. The aim is to experiement, have some fun building things, and to learn how we can use GPS in amateur radio applications.
- Build a clock that displays local and UTC time, as well as your latitude, longitude, and Maidenhead grid.
- Build a GPSDO (GPS disciplined oscillator that works from 1 Hz to 10 Mhz.
- Build a free-running or GPS disciplined OCXO for use as a 10 MHz reference oscillator, suitable for your test gear, microwave transverters, or amateur radio transceivers such as the Icom IC-9700.
The Python software is easily installed using a PIP command. However it is also available here for readers who are interested in the Python code. A password is required to unzip the files. It is under 'password' in the glossary of the book. No password is required for the pcb Gerber file.