To Plot the Radiation Pattern and Determining Gain of a Pyramidal Horn Antenna.

Antennas are bidirectional devices.
_______ of an antenna is a measure of how the antenna concentrates its radiated power in a given direction.
An antenna when radiating, has a highly directional radiation pattern. When the antenna is receiving its radiation pattern
How will you increase the gain of an antenna?
Beamwidth and directivity are both measures of the focusing ability of an antenna.