This page covers different aspects of antennas, including radiation principles, short dipole antennas, antenna gain, effective area, and antenna arrays. It emphasizes the benefits of larger gains for ...This page covers different aspects of antennas, including radiation principles, short dipole antennas, antenna gain, effective area, and antenna arrays. It emphasizes the benefits of larger gains for fixed services such as point-to-point and satellite communications and discusses how antenna arrays improve performance by enabling rapid beam steering and simultaneous multi-directional transmission across various applications.