Here’s are the slides in PDF form from AB8OU’s presentation on Weak Signal Propagation Reporter Presewntation at the 10/18/2018 SARA meeting. https://w8wky.org/sara-wspr-presentation/
As promised, the following links and references should get you started on exploring the topics I mentioned during my “Propagation 101” presentation at the April 20, 2017 SARA meeting. Please let me know if you find other sites of interest. zeke, AB8OU Click here to download Propagation-101.pdf Presentation Slides.