I think you might also want to check out this presentation:
https://groups.io/g/PHSNA/files/OzarkCon%20Presentation%20for%20PDF%207%20Apr%202014.pdf

Due to the speed of technical development, it is also worth following the development process.
After all, every person is on a different level, so he gets involved in the topic somewhere.
Thank you for the opportunity to learn about the work of this group. tnx Nick.

73, Gyula HA3HZ

*http://ha3hz.hu*