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add img ionosphere propagation

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Thomas Bishop 2026-02-06 18:38:51 +00:00
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zk/Radio_wave_propagation.md
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@ -44,6 +44,8 @@ splitting off particles.
## Relation to radio ## Relation to radio
![](../img/ionosphere-scan-cropped.png)
The ionosphere is used to propagate HF-band frequencies. When the waves hit the The ionosphere is used to propagate HF-band frequencies. When the waves hit the
ionosphere, the charged particles interact with the wave and can bend it back ionosphere, the charged particles interact with the wave and can bend it back
towards the Earth. This facilitates long-distance radio communication. towards the Earth. This facilitates long-distance radio communication.