Distinguish between sectorial horn and pyramidal horn.

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6. Distinguish between sectoral horn and pyramidal horn.

Horn antenna is a wave guide one end of which is flared out. In pyramidal horn, the flaring is along E and H. It has the shape of a truncated pyramid.

• In sectoral horn, the flaring is along E or H. If flaring is along the direction of electric field, it is called sectoral E-plane horn. If flaring is along the direction of magnetic field, it is called sectoral H-plane horn.

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