Wave Propagation
https://sites.google.com/d/1_MaspCyuNlkMoMoCbRzIz-DPrx91ihkE/p/1Sagmic7OGWZRLeApVgINwL_fFKiFju12/edit
Ground Wave Propagation
https://sites.google.com/d/1_MaspCyuNlkMoMoCbRzIz-DPrx91ihkE/p/11ACs3VOWX66hAGyspSmQIkjxNCLI5sFO/edit
Sky Wave Propagation
https://sites.google.com/d/1_MaspCyuNlkMoMoCbRzIz-DPrx91ihkE/p/13PYIhd2vUWRgQN0uJ7s7U5KcvdqH8pr_/edit