Communication satellite

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Presentation created by Amsterdam Open Schoolgemeenschap Bijlmer students for the Comenius METER project.

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Communication satellite

  1. 1. Made by: Tiffany & Yxorella
  2. 2. <ul><li>6 types of satellites: </li></ul><ul><li>Comummication satellite </li></ul><ul><li>Navigation satellite </li></ul><ul><li>Observation satellite </li></ul><ul><li>Analysis satellite </li></ul><ul><li>Spy satellite </li></ul><ul><li>Weather satellite </li></ul><ul><li>Look at the names </li></ul>
  3. 3. <ul><li>Practiced to learn more about the space </li></ul><ul><li>Started in the 50’s </li></ul><ul><li>First satellite  balloon with metal cover </li></ul><ul><li>The way of using </li></ul>
  4. 4. <ul><li>AT&T ECHO (1960) </li></ul><ul><li>ECHO II (1964) </li></ul><ul><li>Hovering in an low orbit </li></ul>
  5. 5. <ul><li>TELSTAR I (1962) </li></ul><ul><li>TELSTAR II (1963) </li></ul><ul><li>Successful transponders </li></ul><ul><li>Hovering in a low elliptical orbit </li></ul>
  6. 6. <ul><li>Two basic orbit: </li></ul><ul><li>Low orbit </li></ul><ul><li>Geostationary orbit </li></ul>
  7. 7. <ul><li>Benefits: </li></ul><ul><li>No use money </li></ul><ul><li>Don’t have to convert </li></ul><ul><li>Three satellites are enough </li></ul><ul><li>No change of frequency </li></ul><ul><li>Drawbacks: </li></ul><ul><li>Can’t reach polar region </li></ul><ul><li>Weak signals </li></ul>
  8. 8. <ul><li>SYNCOM II (1963) </li></ul><ul><li>Supported two signals at once (full-duplex) </li></ul><ul><li>INSTELSET I (first for commercial use) </li></ul><ul><li>INSTELSET III ( after this satellite was released the system </li></ul><ul><li>was ready to use). </li></ul>
  9. 9. <ul><li>More satellites were released </li></ul><ul><li>This policy made it possible to communicate worldwide. </li></ul>
  10. 11. THE END <ul><li>This was our presentation </li></ul>

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