GPS III / GPS Block III – 中英文词条融合

By cathayvista区域：美国和加拿大, 航天

中文词条原文链接（无法从中国内地访问）：点击这里访问。

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本文基于英文词条的线索，并补充部分来自中文词条的内容（在二者冲突时，以更晚更新者为准）。辽观搬运时进行了必要的合规化处理，以使其能够在中国内地上传。

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辽观提供的翻译仅供参考。文中可能包含无法从中国内地访问的链接。

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封面图片：Artist’s impression of a GPS Block IIIA satellite in orbit（轨道上的 GPS Block IIIA 卫星的艺术想象图）
图片来源：USAF – http://www.losangeles.af.mil/shared/media/ggallery/hires/AFG-100825-006.jpg
此图片属于公共领域。

1. 正文（发布于知乎专栏）

请点击这里访问

2. 参见 See also

3. 参考文献 References

3.1 英文词条

  1. ·  “GPS III fact sheet” (PDF). LockheedMartin. Archived from the original (PDF) on 6 September 2015. Retrieved 6 May 2016. 
  2. ·  “Sixth GPS III Satellite Built By Lockheed Martin Launches As Part Of Constellation Modernization”. Lockheed Martin. 18 January 2023. Retrieved 31 January 2023. 
  3. ·  “Space X stream”. youtube.com. Retrieved 18 January 2023. 
  4. ·  “GPS Constellation Status”. Retrieved 11 March 2023. 
  5. ·  Clark, Stephen (23 December 2018). “SpaceX closes out year with successful GPS satellite launch”. Spaceflight Now. Retrieved 24 December 2018. 
  6. ·  “Space X stream”. youtube.com. Retrieved 18 January 2023. 
  7. ·  “U.S. Air Force Awards Lockheed Martin Contracts to Begin Work on Next Set of GPS III Satellites” (Press release) Lockheed Martin 25 February 2013
  8. ·  Whitney, Steven (1 December 2017). “Directions 2018: The GPS year in review”. GPS World. Retrieved 2 December 2017. 
  9. ·  Brissett, Wilson (7 November 2017). “SMC Releases Draft RFP for Five EELV Launches”. Air Force Association. Air Force Magazine. Retrieved 13 December 2017. 
  10. ·  “Global Positioning System: Better Planning and Coordination Needed to Improve Prospects for Fielding Modernized Capability” (PDF). US Government Accountability Office (GAO). December 2017. Retrieved 18 December 2017. This article incorporates text from this source, which is in the public domain. 
  11. ·  U.S. Coast Guard Navigation Center. “GPS FAQ”. U.S. Department of Homeland Security. This article incorporates text from this source, which is in the public domain. 
  12. ·  “Raytheon Awarded $886 Million GPS OCX Contract”. Via Satellite. 1 March 2010. Retrieved 5 December 2022. 
  13. ·  “U.S. Air Force Awards Lockheed Martin GPS III Flight Operations Contract” (Press release) Lockheed Martin 2012-05-31
  14. ·  “GPS III satellite delivery slips because of capacitor”. GPS World. 15 September 2016. Retrieved 25 December 2016. 
  15. ·  Gleckel, Gerry (15 November 2017). “GPS Status and Modernization Program” (PDF). gps.gov. U.S. Air Force. Retrieved 1 December 2017. This article incorporates text from this source, which is in the public domain. 
  16. ·  “Military Communications & Positioning, Navigation, and Timing Overview & GPS Enterprise Update” (PDF). U.S. Space Force Space Systems Command. 16 November 2022. Retrieved 21 January 2023. 
  17. ·  “Lockheed Orders GPS 3A Satellite Buses from ATK”. Archived from the original on 2 February 2013. 
  18. ·  “Northrop Grumman Corporation: News and Events – News Release”. Archived from the original on 4 April 2014. 
  19. ·  “Contracts for April 27, 2016”. U.S. Department of Defense. This article incorporates text from this source, which is in the public domain. 
  20. ·  Whitney, Steven (2 December 2016). “Directions 2017: GPS navigates the future”. gpsworld.com. North Coast Media LLC. Retrieved 3 December 2017. 
  21. ·  “Assessments of Selected Weapon Programs” (PDF). US General Accounting Office. March 2017. Retrieved 20 June 2017. This article incorporates text from this source, which is in the public domain. 
  22. ·  “US Air Force ‘not happy’ with delays on Lockheed GPS satellite – the Economic Times”. economictimes.indiatimes.com. Archived from the original on 25 May 2014. Retrieved 13 January 2022. 
  23. ·  Clark, Stephen (17 December 2018). “Air Force requirements will keep SpaceX from landing Falcon 9 booster after GPS launch”. Spaceflight Now. Retrieved 18 December 2018. 
  24. ·  “SpaceX Caps Record 2018 With Launch of Air Force GPS Satellite”. Bloomberg. 23 December 2018. Retrieved 23 December 2018. 
  25. ·  “The last single-stick Delta rocket launched Thursday, and it put on a show”. 22 August 2019. 
  26. ·  Gruss, Mike (21 September 2016). “Lockheed Martin to build two more GPS 3 satellites for U.S. Air Force”. Space News. Retrieved 22 September 2016. 
  27. ·  Clark, Stephen (23 December 2018). “SpaceX closes out year with successful GPS satellite launch”. Spaceflight Now. Retrieved 24 December 2018. 
  28. ·  “NANU 2020-004”. Retrieved 13 January 2020. This article incorporates text from this source, which is in the public domain. 
  29. ·  “NANU 2020-015”. Retrieved 2 April 2020. This article incorporates text from this source, which is in the public domain. 
  30. ·  “NANU 2020-046”. USCG Navigation Center. Retrieved 23 November 2020. 
  31. ·  “NANU 2020-086”. USCG Navigation Center. Retrieved 2 December 2020. 
  32. ·  “NANU 2022-025”. USCG Navigation Center. Retrieved 25 May 2022. 
  33. ·  “Fifth GPS III Satellite Takes to the Skies”. Lockheed Martin. Retrieved 16 June 2021. Lockheed Martin’s sixth, seventh and eighth GPS III satellites are already complete, “Available for Launch” and just waiting for launch date arrangements. 
  34. ·  “Sixth GPS III satellite safely arrives in Florida for January launch” (PDF). Space Systems Command. 25 October 2022. Retrieved 7 November 2022. 
  35. ·  “NAVSTAR 82 (USA 343)”. N2YO. Retrieved 21 January 2023. 
  36. ·  “Falcon 9 Block 5 | GPS III-6”. Retrieved 7 November 2022. 
  37. ·  “Space Systems Command Issues Launch Task Orders for FY22 NSS Missions” (PDF). 26 May 2022. Retrieved 26 May 2022. 
  38. ·  “Vulcan”. Retrieved 16 July 2022. 
  39. ·  “GPS Status and Modernization” (PDF). U.S. Space Force Space Systems Command. 12 September 2023. Retrieved 5 October 2023. 
  40. ·  “GPS MODERNIZATION: Space Force Should Reassess Requirements for Satellites and Handheld Devices” (PDF). 5 June 2023. Space Force is projected to launch the 27th M-code capable GPS satellite in February 2025. 
  41. ·  “GPS III Space Vehicle 09 declared “Available for Launch”” (PDF). Space Systems Command. 26 August 2022. Retrieved 7 November 2022. 
  42. ·  “SpaceX launches GPS satellite to provide PNT services”. GPS World. 18 June 2021. Retrieved 22 June 2021. 
  43. ·  “New Civil Signals: Second Civil Signal”. National Coordination Office for Space-Based Positioning, Navigation, and Timing. 23 September 2016. Retrieved 20 April 2017. This article incorporates text from this source, which is in the public domain. 
  44. ·  “Control Segment: Next Generation Operational Control System”. National Coordination Office for Space-Based Positioning, Navigation, and Timing. 26 September 2013. Retrieved 21 November 2013. This article incorporates text from this source, which is in the public domain. 
  45. ·  Kolibaba, Ray (14 November 2012). “GPS OCX Program Status” (PDF). Stanford 2012 PNT Challenges and Opportunities Symposium. Retrieved 2 May 2017. 
  46. ·  “GAO: New GPS Ground System, Not GPS III Engineering, Primary Cause for Delays”. Inside GNSS. 30 November 2016. Archived from the original on 26 December 2016. Retrieved 25 December 2016. 
  47. ·  Jewell, Don (12 August 2015). “L2C and Next-Generation Smart PNT Receivers”. GPS World. Retrieved 28 December 2016. 
  48. ·  “Interface Specification IS-GPS-200, Revision E” (PDF). Coast Guard Navigation Center. 8 June 2010. This article incorporates text from this source, which is in the public domain. 
  49. ·  Divis, Dee Ann (January–February 2013). “More Than Money Worries: OCX and the New Civil Signals”. Inside GNSS. Archived from the original on 2 December 2013. Retrieved 21 November 2013. 
  50. ·  Divis, Dee Ann (31 July 2017). “OCX Delayed Again as Development Jumps to $6 Billion”. InsideGNSS.com. Archived from the original on 16 August 2017. Retrieved 15 August 2017. 
  51. ·  “Future GPS: The USA’s GPS-III Programs”. Defense Industry Daily. 14 May 2014. Retrieved 17 May 2014. 
  52. ·  “Defense Acquisitions: Assessments of Selected Weapon Programs”. Report Number GAO-13-294SP. U.S. Government Accountability Office. 28 March 2013. This article incorporates text from this source, which is in the public domain. 
  53. ·  “Civil Signals – Third Civil Signal: L5”. GPS.gov. 23 September 2016. Retrieved 20 April 2017. This article incorporates text from this source, which is in the public domain. 
  54. ·  “DOD Announces Start of Civil Navigation Message Broadcasting”. U.S. Department of Defense. 25 April 2014. Archived from the original on 29 December 2016. Retrieved 28 December 2016. This article incorporates text from this source, which is in the public domain. 
  55. ·  “Interface Specification IS-GPS-705, Revision A” (PDF). Coast Guard Navigation Center. 8 June 2010. This article incorporates text from this source, which is in the public domain. 
  56. ·  “Civil Signals – Fourth Civil Signal: L1C”. GPS.gov. 23 September 2016. Retrieved 28 December 2016. This article incorporates text from this source, which is in the public domain. 
  57. ·  “Interface Specification IS-GPS-800, Revision D” (PDF). National Coordination Office for Space-Based Positioning, Navigation, and Timing. 24 September 2013. This article incorporates text from this source, which is in the public domain. 
  58. ·  Lazar, Steven (Summer 2002). “Modernization and the Move to GPS III” (PDF). Crosslink. 3 (2): 42–46. Archived from the original (PDF) on 4 April 2014. Retrieved 29 June 2012. 
  59. ·  “ILRS Meeting on Retroreflector Arrays” (PDF). This article incorporates text from this source, which is in the public domain. 
  60. ·  “Slides from ILRS Meeting on Retroreflector Arrays” (PDF). April 2006. This article incorporates text from this source, which is in the public domain. 
  61. ·  “NASA Search and Rescue Mission Office : Distress Alerting Satellite System (DASS)”. Archived from the original on 4 March 2016. This article incorporates text from this source, which is in the public domain. 
  62. ·  “GPS Operational Control Segment”. U.S. Air Force. 27 November 2012. Retrieved 25 December 2016. This article incorporates text from this source, which is in the public domain. 
  63. ·  Colonel John Claxton (12 December 2019). “Directions 2020: Delivering GPS Capabilities”. GPSWorld.com. Retrieved 21 January 2023. 
  64. ·  “GPS Advanced Control Segment (OCX)”. Archived from the original on 3 May 2012. This article incorporates text from this source, which is in the public domain. 
  65. ·  “GPS Control Segment”. gps.gov. Retrieved 25 December 2016. This article incorporates text from this source, which is in the public domain. 
  66. ·  “Air Force declares Nunn-McCurdy breach on GPS ground system”. SpaceNews.com. 1 July 2016. 
  67. ·  Insinna, Valerie (17 October 2016). “Raytheon’s OCX Offering Survives Nunn-McCurdy Breach”. DefenseNews. Retrieved 25 December 2016. 
  68. ·  Dunn, Michael (2 May 2022). “Directions 2022: GPS positioned for the future”. GPSWorld.com. Retrieved 21 January 2023. 
  69. ·  “GPS Status and Modernization Progress: Service, Satellites, Control Segment, and Military GPS User Equipment” (PDF). US Air Force Space and Missile Systems Center. 26 September 2018. Retrieved 10 November 2018. This article incorporates text from this source, which is in the public domain. 
  70. ·  SMC Public Affairs Office (2 November 2017). “Air Force accepts delivery of GPS Next Generation Operational Control System”. U.S. Air Force Space Command, Space and Missile System Center. Retrieved 3 December 2017. This article incorporates text from this source, which is in the public domain. 
  71. ·  Divis, Dee Ann (30 November 2016). “GAO: New GPS Ground System, Not GPS III Engineering, Primary Cause for Delays”. InsideGNSS. Gibbons Media & Research LLC. Archived from the original on 2 December 2017. Retrieved 1 December 2017. 
  72. ·  Divis, Dee Ann (27 April 2017). “OCX Passes Deep Dive Review; GAO Says Program Risk Remains High”. InsideGNSS.com. Archived from the original on 28 April 2017. Retrieved 28 April 2017. 
  73. ·  “Counting 0, 1, 2, 3F: The Long Hello of GPS OCX”. InsideGNSS.com. 6 May 2021. Retrieved 21 January 2023. 
  74. ·  U.S. Space Force Space and Missile Systems Center Public Affairs (3 May 2021). “OCX 3F Contract Awarded to Raytheon Intelligence and Space”. Retrieved 21 January 2023. 
  75. ·  Seligman, Lara (3 March 2016). “Weapons Tester Warns of Risk to Air Force’s GPS Contingency Plan”. Defense News. Retrieved 25 December 2016. 
  76. ·  “Next Generation Operational Control System (OCX) Selected Acquisition Report” (PDF). U.S. Department of Defense. 8 April 2022. Retrieved 21 January 2023.

3.2 中文词条

3.2.1 参考

3.2.2 引用

  1. ·  GPS III. Los Angeles Air Force Base. 2012-11-21 [2020-07-15]. （原始内容存档于2020-07-02） （美国英语）. 
  2. ·  GPS III fact sheet (PDF). LockheedMartin. [2016-05-06]. （原始内容存档 (PDF)于2015-09-06）. 
  3. ·  Lockheed Martin Assembles Third U.S. Air Force GPS III Satellite. insidegnss.com. Gibbons Media & Research LLC. 2017-11-27 [2017-12-03]. （原始内容存档于2017-12-04）. 
  4. ·  SMC exercises contract options to procure two additional GPS III satellites. U.S. Air Force Space Command, Space and Missile Systems Center. 2016-09-21 [2017-12-03]. （原始内容存档于2020-06-21）.  该来源属于公有领域，本文含有该来源内容。
  5. ·  Space X stream. youtube.com. [2021-06-17]. （原始内容存档于2021-07-25）. 
  6. ·  PRN04 operational. [2020-01-15]. （原始内容存档于2020-10-18）. 
  7. ·  Clark, Stephen. SpaceX closes out year with successful GPS satellite launch. Spaceflight Now. 2018-12-23 [2018-12-24]. （原始内容存档于2020-11-08）. 
  8. ·  Space X stream. youtube.com. [2021-06-17]. （原始内容存档于2021-07-25）. 
  9. ·  U.S. Air Force Awards Lockheed Martin GPS III Flight Operations Contract. Lockheed Martin Corporation. 2012-05-31 [2020-07-15]. （原始内容存档于2020-07-17） （美国英语）. 
  10. ·  Whitney, Steven. Directions 2018: The GPS year in review. GPS World. North Coast Media LLC. 2017-12-01 [2017-12-02]. （原始内容存档于2020-11-29） （美国英语）. 
  11. ·  Brissett, Wilson. SMC Releases Draft RFP for Five EELV Launches. Air Force Magazine. Air Force Association. 2017-11-07 [2017-12-13]. （原始内容存档于2018-08-28） （美国英语）. 
  12. ·  Gleckel, Gerry. GPS Status & Modernization Program (PDF). GPS.gov. U.S. Air Force. 2017-11-15 [2017-12-01]. （原始内容存档 (PDF)于2020-10-28） （美国英语）. 
  13. ·  GLOBAL POSITIONING SYSTEM: Better Planning and Coordination Needed to Improve Prospects for Fielding Modernized Capability (PDF). US Government Accountability Office. December 2017 [2017-12-18]. （原始内容存档 (PDF)于2020-12-02） （美国英语）. 
  14. ·  Space Segment. National Coordination Office for Space-Based Positioning, Navigation, and Timing. 2020-06-30 [2020-07-20]. （原始内容存档于2019-01-06） （美国英语）. 
  15. ·  GPS Satellites. Lockheed Martin Corporation. [2020-06-18]. （原始内容存档于2021-02-04） （美国英语）. 
  16. ·  2017 U.S.-China Joint Statement on Civil Signal Compatibility and Interoperability Between GPS and BDS. National Coordination Office for Space-Based Positioning, Navigation, and Timing. 2017-12-04 [2020-07-17]. （原始内容存档于2020-10-18） （美国英语）. 
  17. ·  4th GPS civilian signal goes live. GPS World. 2020-01-21 [2020-07-17]. （原始内容存档于2020-11-28） （美国英语）. 
  18. ·  Hofmann-Wellenhof, Bernhard; Lichtenegger, Herbert; Wasle, Elmar. GPS. GNSS — Global Navigation Satellite Systems. Vienna: Springer Vienna. 2008. ISBN 978-3-211-73012-6. doi:10.1007/978-3-211-73017-1 （英语）. 
  19. ·  李征航，黄劲松编著．GPS测量与数据处理（第三版）．武汉：武汉大学出版社，2016．ISBN 978-7-307-17680-5．
  20. ·  GPS Fully Operational Statement of 1995. U.S. Coast Guard Navigation Center. 2001-05-02 [2020-06-25]. （原始内容存档于2020-10-19） （美国英语）. 
  21. ·  GPS Frequently Asked Questions (FAQ). U.S. Coast Guard Navigation Center. 2016-09-08 [2020-06-25]. （原始内容存档于2020-11-25） （美国英语）. The Global Positioning System reached full Operational Capability (FOC) on July 17, 1995. 
  22. ·  GLOBAL POSITIONING SYSTEM STANDARD POSITIONING SERVICE SIGNAL SPECIFICATION (pdf). National Coordination Office for Space-Based Positioning, Navigation, and Timing. 1995-06-02 [2020-07-07]. （原始内容存档 (PDF)于2020-11-12） （美国英语）. 
  23. ·  GPS IIR/IIR-M. Official United States Air Force Website. 2012-11-21 [2020-07-07]. （原始内容存档于2020-07-07） （美国英语）. 
  24. ·  GPS民用大门的开启. 北斗卫星导航系统网站. 2011-09-28 [2020-07-07]. （原始内容存档于2020-07-11）. 
  25. ·  美国为什么要实施GPS现代化计划. 北斗卫星导航系统网站. 2011-06-03 [2020-07-07]. （原始内容存档于2020-07-10）. 
  26. ·  GPS卫星现代化. 中国卫星导航定位协会. 2014-01-15 [2020-07-07]. （原始内容存档于2020-07-08）. 
  27. ·  GPS Modernization Fact Sheet (PDF). the U.S. Air Force. 2006 [2020-07-07]. （原始内容存档 (PDF)于2021-01-24） （美国英语）. 
  28. ·  Satellite Navigation – GPS – Presidential Policy. U.S. Department of Transportation. 2015-10-21 [2020-06-25]. （原始内容存档于2020-11-25） （美国英语）. 
  29. ·  VICE PRESIDENT GORE ANNOUNCES ENHANCEMENTS TO THE GLOBAL POSITIONING SYSTEM THAT WILL BENEFIT CIVILIAN USERS WORLDWIDE. Clinton Presidential Materials Project White House Virtual Library. 1998-03-30 [2020-06-25]. （原始内容存档于2020-10-18） （美国英语）. This new civilian signal will mean significant improvements in navigation, positioning and timing services to millions of users worldwide — from backpackers and fishermen to farmers, airline pilots, and scientists 
  30. ·  VICE PRESIDENT GORE ANNOUNCES NEW GLOBAL POSITIONING SYSTEM MODERNIZATION INITIATIVE. Clinton Presidential Materials Project White House Virtual Library. 1999-01-25 [2020-06-25]. （原始内容存档于2021-01-24） （美国英语）. Vice President Gore announced today a $400 million new initiative in the President’s balanced budget that will modernize the Global Positioning System (GPS) and will add two new civil signals to future GPS satellites, significantly enhancing the service provided to civil, commercial, and scientific users worldwide. 
  31. ·  The United States’ Decision to Stop Degrading Global Positioning System Accuracy. Clinton Presidential Materials Project White House Virtual Library. 2000-05-01 [2020-07-07]. （原始内容存档于2019-09-03） （美国英语）. 
  32. ·  McDonald, Keith D. The Modernization of GPS: Plans, New Capabilities and the Future Relationship to Galileo. Journal of Global Positioning Systems. 2002-06-30, 1 (1): 1–17. ISSN 1446-3156. doi:10.5081/jgps.1.1.1. 
  33. ·  GPS的现代化计划. 北斗卫星导航系统网站. 2011-06-03 [2020-06-25]. （原始内容存档于2020-06-27）. 
  34. ·  Alkan, R.M.; Karaman, H.; Sahin, M. GPS, GALILEO and GLONASS satellite navigation systems & amp; GPS modernization. Proceedings of 2nd International Conference on Recent Advances in Space Technologies, 2005. RAST 2005. (Istanbul, Turkey: IEEE). 2005: 390–394 [2020-07-15]. ISBN 978-0-7803-8977-9. doi:10.1109/RAST.2005.1512598. （原始内容存档于2020-07-09）. 
  35. ·  GPS IIF. Official United States Air Force Website. 2012-11-27 [2020-07-07]. （原始内容存档于2020-07-07） （美国英语）. 
  36. ·  邓中卫，洪山. 美参院军事委员会建议加速GPS III卫星计划. 中华人民共和国科学技术部国家遥感中心. 2003-05-29 [2020-07-14]. （原始内容存档于2020-07-15）. 
  37. ·  Prasad, Ramjee; Ruggieri, Marina. Applied Satellite Navigation Using GPS, GALILEO, and Augmentation Systems. Artech House. 2005: 129 [2020-07-15]. ISBN 978-1-58053-814-5. （原始内容存档于2020-08-10） （英语）. 
  38. ·  Michael Shaw. GPS Modernization: On the Road to the Future he Road to the Future (PDF). United Nations Office for Outer Space Affairs. 2009-12 [2020-07-14]. （原始内容存档 (PDF)于2017-12-15） （美国英语）. 
  39. ·  Gibbons, Glen. Lockheed Martin Wins GPS IIIA Contract. Inside GNSS. 2008-05-16 [2020-07-14]. （原始内容存档于2020-11-26） （美国英语）. 
  40. ·  陈飚. 美国：空军追加洛马公司合同用于完成两颗GPS III卫星的制造. 北斗卫星导航系统网站. 2013-12-18 [2020-07-14]. （原始内容存档于2020-07-15）. 
  41. ·  王聪. 洛马公司将为美国空军额外建造2颗GPS-3卫星 — 国际防务快讯. 国防科技信息网. 2016-10-28 [2020-07-14]. （原始内容存档于2020-07-16）. 
  42. ·  Franceschi-Bicchierai, Lorenzo. New Satellites Could Make GPS Harder to Jam. Wired. 2012-07-26 [2020-07-15]. ISSN 1059-1028. （原始内容存档于2020-11-12）. 
  43. ·  U.S. Air Force Awards Lockheed Martin Contract To Complete GPS III Satellites 5 and 6. Media – Lockheed Martin. 2013-12-16 [2020-07-14]. （原始内容存档于2020-07-14） （美国英语）. 
  44. ·  GNSS, Inside. U.S. Air Force Authorizes Lockheed to Finish GPS III SVs 7 & 8. Inside GNSS. 2014-04-03 [2020-07-14]. （原始内容存档于2020-11-29） （美国英语）. 
  45. ·  U.S. Air Force Awards Lockheed Martin $395 Million Contract for GPS III Satellites 9 and 10. Media – Lockheed Martin. 2016-09-28 [2020-07-14]. （原始内容存档于2020-07-14） （美国英语）. 
  46. ·  GNSS, Inside. Now Deemed a “New Start,” GPS IIIF May Face More Delays. Inside GNSS. 2018-01-26 [2020-07-14]. （原始内容存档于2020-10-21） （美国英语）. 
  47. ·  洛马获美新一代GPS卫星合同：只因对手悉数退出竞标？. 参考消息报社. 2018-09-17 [2020-07-14]. （原始内容存档于2020-07-15）. 
  48. ·  GPS III Operational Control Segment (OCX). GlobalSecurity.org. [2020-07-15]. （原始内容存档于2020-10-26） （美国英语）. 
  49. ·  Next Generation Operational Control System (OCX). National Coordination Office for Space-Based Positioning, Navigation, and Timing. 2020-04-01 [2020-07-15]. （原始内容存档于2021-01-24） （美国英语）. 
  50. ·  GPS ADVANCED CONTROL SEGMENT(OCX). The Official Website of Los Angeles Air Force Base. 2011-10-25. （原始内容存档于2012-05-03） （美国英语）. 
  51. ·  Raytheon Wins $886 Million Contract To Develop Next-Generation GPS Control Segment. Raytheon Company. 2010-02-26 [2020-07-15]. （原始内容存档于2021-01-24） （美国英语）. 
  52. ·  Air Force declares Nunn-McCurdy breach on GPS ground system. SpaceNews.com. 2016-07-01 （美国英语）. 
  53. ·  Insinna, Valerie. Raytheon’s OCX Offering Survives Nunn-McCurdy Breach. DefenseNews. 2016-10-17 [2016-12-25] （美国英语）. 
  54. ·  Divis, Dee Ann. GAO: New GPS Ground System, Not GPS III Engineering, Primary Cause for Delays. InsideGNSS. Gibbons Media & Research LLC. 2016-11-30 [2017-12-01]. （原始内容存档于2017-12-02） （美国英语）. 
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4. 外部链接 External Links

4.1 英文词条

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GPS Block III
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4.2 中文词条

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