

2. a. Discuss the practical importance of the antenna beam width b. For an Omni-directional antenna the measurements show the Half Power Beam Width (HPBW) in vertical and horizontal planes are 30...
Consider a horn antenna that a half-power beam widths in the principal planes of HPBpl19, HP29°. What is the approximate directivity in dB if the pattern is a single lobe? If the radiation efficiency of the antenna is ε-90% , what is the gain of the antenna in dB. E-plane H-plane