: Most editions of K.D. Prasad's "Antenna and Wave Propagation" (published by Satya Prakashan, Technical Publications, etc.) are still under copyright protection . Google Books typically only shows limited previews (snippets) for such books, not full free downloads.
The second half deals with how electromagnetic waves travel through different media. antenna and wave propagation by kd prasad google books free
The sometimes has older editions of engineering textbooks available for a 1-hour or 14-day borrow period (not a permanent download). Search for "Antenna and Wave Propagation KD Prasad" on Archive.org. You may find a scan of the 2004 or 2008 edition. This is free and legal because it operates on a controlled digital lending (CDL) model. : Most editions of K