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Understanding the Ionosphere by tk is a document available to read on EtoBox.
What is Understanding the Ionosphere about?
The document discusses the different regions of the ionosphere - D, E, and F regions - and how they affect radio wave propagation. The D region exists from 60-90km and absorbs low frequency radio signals during the day. The E region from 100-125km refracts HF signals, sometimes returning them to Earth. The main region for long distance HF radio is the F region, which exists above the E region and reflects HF signals due to its low density. The levels of ionization in all regions decreases at night.
- Author
- tk
- Language
- EN