Follows the curvature of the earth; used for low-frequency (LF) communication.
: Focuses on line-of-sight and duct propagation, where signal strength is impacted by Earth's curvature and atmospheric refraction Malla Reddy College of Engineering and Technology Presentation Content Structure antenna and wave propagation by kd prasad ppt full
: Focuses on the wave propagation aspects frequently cited in K.D. Prasad's curriculum. Follows the curvature of the earth; used for