I am making the PCB Gerber files, schematics and PLL software freely available for you to use in your own research project and just ask for formal acknowledgement in any publications. I am not ...

Fortunately, there is e.g. a free KiCad library with ready-to-use PCB antenna designs to help one get started with a custom design, as well as many other resources, covered in the article.

The free software was developed by RS Components, a European component distributor. It takes IDF files, which can be exported from most PCB design software, and converts them to a format ...