Get Free Wave Propagation PDF for Download today. Examples are included after each Formula with a link to a live Calculator! All the Formulas and Calculators support Unit Conversion as well. This PDF features 16 calculators from Electronics. Inside, you'll discover a list of formulas such as Critical Frequency of Ionosphere, Electron Density and 16 more formulas!. The Variables, Functions and Constants are summarized at the end. Explore and share Wave Propagation PDFs!