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One-Way GPS Time Transfer 2000
| 题名： | One-Way GPS Time Transfer 2000 |
| 作者： | Gifford, Al;Pace, Scott;McNeff, Jule; |
| 关键词： | PERFORMANCE ENGINEERING , ZPERFORMANCE ENGINEERINGZ, TRANSFER, ZTRANSFERZ, TIME, ZTIMEZ, GLOBAL POSITIONING SYSTEM, ZGLOBAL POSITIONING SYSTEMZ, TIME STANDARDS, ZTIME STANDARDSZ, SYNCHRONIZATION ELECTRONICS , ZSYNCHRONIZATION ELECTRONICS Z, METRICS, ZMETR |
| 摘要： | On 1 May 2000, the White House issued a Presidential directive for the Global Positioning System (GPS) to turn off Selective Availability (SA) on 2 May 2000. For nearly a decade, authorized user performance of one-way synchronization via GPS has improved every single year. This paper provides an annual assessment of how well the Global Positioning System can predict and disseminate UTC (USNO) to these specified users, based on data generated and processed by the United States Naval Observatory (USNO). And, because the recent Presidential directive now permits civilian timing users to exploit nearly the same, impressive time transfer accuracy of GPS, these annual metrics now offer a fairly representative performance assessment for both military and civilian timing users. |
| 总页数： | 10 |
| 报告类型： | 科技报告 |
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