1. Whichis not a type of horn antenna design for microwavefrequencies?a) Parabolic hornb) Circular hornc) Pyramidal hornd) Sectoral horn2. Cassegrain feed to a paraboloid antenna involvesaa) Dipole antennab) Point-source antennac) Secondary reflectord) Any of the above3. Calculate the beamwidth of a microwave dish antenna with a6-m mouth diameter when used at 5 GHz.a) 0.49

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