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Which mode of propagation is used by s...

Which mode of propagation is used by short wave broadcast services ?.

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### Step-by-Step Solution 1. **Understanding Short Wave Broadcast Services**: - Short wave broadcast services operate within a specific frequency range, typically between 3 to 30 megahertz (MHz). This range is characterized by shorter wavelengths compared to long wave broadcasts. 2. **Identifying Propagation Modes**: - There are three primary modes of radio wave propagation: ground wave, sky wave, and line-of-sight (LOS). Each mode has different characteristics and is suitable for different frequency ranges. ...
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