By Lieutenant Colonel, USAF, Scott W. Beidleman, Air University Press

This research investigates Europe's factors to advance the self sufficient satellite tv for pc navigation method referred to as Galileo regardless of the life of America's winning worldwide positioning procedure (GPS). It starts by means of studying either structures to familiarize the reader with worldwide navigation satellite tv for pc structures (GNSS) and to supply an figuring out of the strengths and weaknesses of GPS and Galileo, in addition to the platforms similarities and variations. even if the 2 structures have assorted founding ideas, they hire related infrastructures and operational innovations. within the brief time period, Galileo will offer higher accuracy for civilian clients until eventually GPS enhancements take impact. yet functionality is just a part of the explanation. the writer contends that Europes pursuit of Galileo is pushed by way of a mix of purposes, together with functionality, independence, and monetary incentive. With Galileo, Europe hopes to accomplish political, safety, and technological independence from the USA. also, Europe envisions overcoming the U.S. monopoly on GNSS through seizing a large percentage of the increasing GNSS marketplace and surroundings a brand new global commonplace for satellite tv for pc navigation. ultimately, the writer explores Galileos impression at the usa and experiences US coverage in the direction of Galileo. The paper concludes with strategies to bolster the competitiveness of GPS.

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Additional resources for GPS Versus Galileo - Balancing for Position in Space (CADRE Paper No. 23)

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Sirak, “USA Sets Sights on GPS,” 30. 29. ” 54. 30. Sirak, “USA Sets Sights on GPS,” 30. 31. Dornheim, “GPS Improvements Set,” 56. 32. Ibid. 33. Kupchan, End of the American Era, 151. 34. Reid, “EU Summit Ends,” Washington Post, 17 March 2002. 35. European Commission, European Community, 27. 36.

The GPS control segment employs four dedicated, unmanned ground antennas located at Cape Canaveral, Diego Garcia, Kwajalein, and Ascension Island. 22 The ground antennas provide the MCS an uplink and downlink capability. They receive navigation uploads and other commands from the MCS and transmit them to the satellites. Moreover, they collect and transmit telemetry, tracking, and commanding (TT&C) data, enabling the MCS to monitor and maintain the constellation’s health and to control each satellite.

Wilson, Galileo: The European Programme, 5. 45. European Commission, Galileo: Mission High Level Definition, 6; and European Parliament, Report on the Commission Communication to the European Parliament, 40. 46. European Commission, Galileo: Mission High Level Definition, 19. 47. Ibid. 48. Adams, “GPS Vulnerabilities,” 11. 49. European Commission, European Dependence, sec. 3; and European Commission, Galileo: Mission High Level Definition, 11. 50. European Commission, European Dependence, 12. 51.

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