原文传递
GPS common-view time transfer
| 题名： | GPS common-view time transfer |
| 作者： | Lewandowski, W. |
| 关键词： | common；rans；time；international；nanos；applications；measurement；development；precision；sphere |
| 摘要： | The introduction of the GPS common-view method at the beginning of the 1980's led to an immediate and dramatic improvement of international time comparisons. Since then, further progress brought the precision and accuracy of GPS common-view intercontinental time transfer from tens of nanoseconds to a few nanoseconds, even with SA activated. This achievement was made possible by the use of the following: ultra-precise ground antenna coordinates, post-processed precise ephemerides, double-frequency measurements of ionosphere, and appropriate international coordination and standardization. This paper reviews developments and applications of the GPS common-view method during the last decade and comments on possible future improvements whose objective is to attain sub-nanosecond uncertainty. |
| 报告类型： | 科技报告 |
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