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Attitude

Attitude

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Attitude

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  1. Attitude The longer I live, the more I realize the impact of attitude on life. Attitude, to me, is more important than facts. It is more important than the past, than education, than money, than circumstances, than failures, than successes, than what other people think or say or do. It is more important than appearance, giftedness or skills. It will make or break a company...a church...a home. The remarkable thing is we have a choice every day regarding the attitude we will embrace for that day. We cannot change the inevitable. The only thing we can do is play on the one string we have, and that is our attitude...I am convinced that life is 10% what happens to me and 90% how I react to it. And so it is with you...we are in charge of our attitudes. Charles Swindoll (Widely published Christian minister; 2000) Whatever happens in the life of a person, if his attitude is right, the Lord will work that experience for that person’s good. Elder Dennis B. Neuenschwander Faculty Inservice, Orem Institute of Religion, Dec 14, 1996 At the center of our agency is our freedom to form a healthy attitude toward whatever circumstances we are placed in! Elder Neal A. Maxwell Deposition of a Disciple (1976), 30–31. IT 327 - Schweber Chap 19

  2. Schweber, Chap 19: SatelliteCommunication, Navigation & the Global PositioningSystem IT 327 - Schweber Chap 19

  3. Orbits LEO: typically 17,000 mph MEO: typically 12,000 mph GEO: exactly 7070 mph IT 327 - Schweber Chap 19

  4. FrequencyBands IT 327 - Schweber Chap 19

  5. Factoids VERY complex systems Yes, it IS rocket science High-frequency, high attenuation signals & electronics Mechanical systems that must work in extreme conditions Complicated and expensive Earth-based systems Typicallaunch weight of 100s to 1000s of lbs Typical cost of $50M to $100M (to build the satellite) Launch cost of about $10,000/lb (LEO); MEO and GEO raise that another 5x each 10-year expected lifetime IT 327 - Schweber Chap 19

  6. Link Budget IT 327 - Schweber Chap 19

  7. HowMany?(www.n2yo.com) IT 327 - Schweber Chap 19

  8. TooMany?(http://www.youtube.com/watch?v=_o7EKlqCE20) IT 327 - Schweber Chap 19

  9. Navigation: A True Story Commodore Anson and the Centurion In September 1740, the H.M.S. Centurion set sail for the South Pacific from England under the command of Commodore George Anson. They had no chronometer. By March, 1741, already 6 months at sea, the Centurion rounded the tip of Cape Horn, only to encounter a terrific storm that punished them for 58 days. When finally able to get a fix on their position, Anson sailed north and west for Juan Fernández Island for some desperately needed fresh water and food. When he reached the proper latitude, he had no idea which way to go – east or west. For over two months they had been unable to plot their progress, and they did not have a chronometer to allow them to determine their longitude. So on a hunch, he sailed west. But after not sighting land after four days, he decided he was already west of Juan Fernández, so they turned around and headed east. Two days later, they sighted land, but it turned out to be the coast of Chile, under Spanish rule; they could not go there! So they executed another quick 180° turn and sailed west again. Finally, on June 9, 1741, they dropped anchor at Juan Fernández. The extra two weeks of sailing had cost Anson an additional 80 lives among his sick and ailing crew. Longitude, by DavaSobel (Walker & Co., 1995), pp 17-20 IT 327 - Schweber Chap 19

  10. LORAN (LOngRAngeNavigation) IT 327 - Schweber Chap 19

  11. GPS IT 327 - Schweber Chap 19

  12. GPS IT 327 - Schweber Chap 19

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