What type of polarization is used for ground waves?(a) Vertical polarization(b) Right circular polarization(c) Horizontal polarization(d) Left circular polarizationThis question was addressed to me during an interview.The question is from Radio Propagation and Noise Characteristics topic in division Terrestrial Radio Navigation System of Avionics

What type of polarization is used for ground waves?(a) Vertical polari

1.	What type of polarization is used for ground waves?(a) Vertical polarization(b) Right circular polarization(c) Horizontal polarization(d) Left circular polarizationThis question was addressed to me during an interview.The question is from Radio Propagation and Noise Characteristics topic in division Terrestrial Radio Navigation System of Avionics
Answer» RIGHT answer is (a) Vertical polarization Best explanation: At lower FREQUENCIES, along the surface of the earth, vertical polarization is universally USED. This way minimum SIGNAL is radiated into the GROUND.

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