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AhaBulb: Stuff Everyone Should Know · ahabulb.com/ham-ionosphere-fading

What is a likely cause of irregular fading of signals that travel by the ionosphere?

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  1. Signals arriving by different paths combining at random
  2. Frequency shift caused by Faraday rotation
  3. Interference from thunderstorms

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References

  1. 2026-2030 Technician Class Question Pool, T3A08 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf Checked 2026-10-09.

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