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A helical antenna is used for satellite tracking due to its __________

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A helical antenna is used for satellite tracking due to its __________

(a) broad bandwidth

(b) circular polarization

(c) linear polarization

(d) good front to back ratio

I got this question during an online exam.

My doubt is from Problems of DSBSC topic in division Double Sideband Suppressed Carrier Modulation of Analog Communications

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Right answer is (d) good front to back ratio

To explain: Helical antenna consists conducting wire. These conducting wire is wound around it in the form of helix. It is mainly used for satellite tracking due to its good front to back ratio.

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