Here’s a well-structured feature draft for a webpage or resource listing promoting the updated free PDF of Antenna and Wave Propagation by K. D. Prasad.
Sky Wave (Ionospheric): Long-distance shortwave communication. How to Use the Book for Exam Preparation
Based on the review, I would rate the book 4.5 out of 5 stars. The book's comprehensive coverage, clear explanations, and detailed mathematical derivations make it an excellent resource for students and professionals. However, some readers may find the book too theoretical, and it may not cover the latest advancements in the field.
Finding an "updated free" PDF of Antenna and Wave Propagation