| 1. | Lloyd Berkner first measured the height and density of the ionosphere.
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| 2. | They released a payload of barium and ammonia into the ionosphere.
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| 3. | Such signals cannot be detected on Earth because of ionosphere interference.
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| 4. | The other two experiments will study the Earth's ionosphere.
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| 5. | Our ionosphere is the ONLY thing protecting us from immediate annihilation.
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| 6. | It carried instruments to measure currents in the earth's ionosphere.
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| 7. | The rockets are carrying scientific experiments to study turbulence in the ionosphere.
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| 8. | The largest remaining error is usually the unpredictable delay through the ionosphere.
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| 9. | There are also mechanisms that disturb the ionosphere and decrease the ionization.
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| 10. | The effect of refraction by the ionosphere are strongly affected.
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