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What type of antenna is used in the localizer?(a) Long periodic antenna(b) Helical antenna(c) Dipole antenna(d) Parabolic antennaThe question was posed to me by my school teacher while I was bunking the class.Question is taken from Instrument Landing Systems in section Landing Systems & Air-Traffic Management of Avionics

Answer»

The correct answer is (a) Long periodic antenna

Easy explanation: Almost all of the localizer antenna is long periodic antenna. It PROVIDES unidirectional radiation, can be INSTALLED without GUY cables and has good broadband characteristics.



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