| 1. | Clutter results from radio energy being reflected from the earth's surface, buildings, and vegetation.
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| 2. | Even at very low densities the ionization will refract radio energy, attenuating it according to:
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| 3. | Human activities generate a great deal of radio energy, as in communications, navigation, and entertainment applications.
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| 4. | :Radio energy, like light, is carried by photons, and they always travel at the speed of light.
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| 5. | Conversely, higher PRFs produce shorter maximum ranges, but broadcast more pulses, and thus radio energy, in a given time.
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| 6. | The antenna is connected to the transmitter, which sends out a brief pulse of radio energy before being disconnected again.
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| 7. | Instead of producing a beam of radio energy, the Foster scanner produced a " fan " ( pie-slice shape ).
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| 8. | He turned up alive, permanently separated from the radio energy being, but still radioactive, bandaged, and weak in its absence.
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| 9. | By studying how a whistler changes frequency over time, you can learn about the environment the radio energy went through,
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| 10. | A closer study of these effects on Jupiter could help to explain why the sun sometimes produces bursts of radio energy.
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