Antenna Array » Exercise - 1 1. ........ is an antenna with a number of half-wave antenna on it. (a) antenna array (b) tower (c) omni-directional (d) rhombic 2. Top loading is used in an antenna in order to increase its …….. ? (a) practical height (b) beamwidth (c) effective height (d) input capacitance 3. Harmonic suppressor connected to an antenna. (a) low-pass filter (b) high-pass filter (c) m-derived filter (d) constant-K
Antenna Array » Exercise - 1 1. ........ is an antenna with a number of half-wave antenna on it. (a) antenna array (b) tower (c) omni-directional (d) rhombic
Satellite Orbits » Exercise - 124. Geostationary satellites are placed in equatorial orbit at a height of approximately : (a) 1000 km (b) 15000 km (c) 25000 km (d) 36000 km