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The maximum loss would be 3 db compared to a matching linearly polarized signal. The gain could be as much as 20 db compared to a cross polarized linear signal. CP is not common on HF because of antenna size. However, many people already have the perfect dual polarity beams to for the CP array. The advantages of CP when working DX on HF are noticeable because the signal is always changing polarity while often suffering from multipath distortion and heavy attenuation from cross polarization.

[QUOTE="Shockwave, post: 306483, member: 10882"] The maximum loss would be 3 db compared to a matching linearly polarized signal. The gain could be as much as 20 db compared to a cross polarized linear signal. CP is not common on HF because of antenna size. However, many people already have the perfect dual polarity beams to for the CP array. The advantages of CP when working DX on HF are noticeable because the signal is always changing polarity while often suffering from multipath distortion and heavy attenuation from cross polarization. [/QUOTE]

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