Term
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Definition
| biggest effect on space environment |
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Term
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Definition
| interact with magnetic fields, electric currents |
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Term
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Definition
| 11 year cycle of solar activity- 4 year rise, 7 year decline |
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Term
| Van Allen Radiation Belts |
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Definition
| trapped electrons and protons that oscillate back and forth |
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Term
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Definition
| expanding of earths upper atmosphere due to heat |
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Term
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Definition
| 150 to 800 miles about earths surface |
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Definition
| region of space around the earth above LEO and belo geostationary orbit |
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Term
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Definition
| (molniva) used to obtain communications |
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Term
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Definition
| approx 19,300 nautical miles |
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Term
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Definition
| passes entire surfae of earth at incline of 90 degrees |
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Term
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Definition
| point on sattellite orbit farthest from center of the earth |
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Term
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Definition
| point on earths sattellite orbit closest to the center of earth |
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Term
| Describe the Global Positioning system |
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Definition
| Satellite based radio navigation system operated by DOD |
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Definition
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Definition
| Global broadcast service-commercial direct broadcast technology |
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Term
| Defense satellite communications system |
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Definition
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Term
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Definition
| FLTSATs feature high power transmitters |
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