ON IMPROVED GPS-BASED CALIBRATION OF THE TIME LINKS BETWEEN METAS AND PTB

被引：0
|
作者：
Feldmann, T. [1 ]
Bauch, A. [1 ]
Piester, D. [1 ]
Stefanov, A. [2 ]
Bernier, L. -G. [2 ]
Schlunegger, C. [2 ]
Liang, K. [1 ,3 ]
机构：
[1] PTB, Bundesallee 100, D-38116 Braunschweig, Germany
[2] Bundesamt Metrol METAS, CH-3003 Wabern, Switzerland
[3] NIM, Beijing 100013, Peoples R China
来源：
EFTF-2010 24TH EUROPEAN FREQUENCY AND TIME FORUM | 2010年
关键词：
D O I：
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中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
We report the results of a differential calibration of the time links between the Swiss Federal Office of Metrology (METAS) and the German Physikalisch Technische Bundesanstalt (PTB) in 2009 using a travelling state of the art GPS time and frequency transfer receiver. Neglecting possible long term variations of the GPS equipment, the estimated uncertainties of the calibration values are below 2 ns for all links. The results are verified by comparing them to the calibrated two way satellite time and frequency transfer (TWSTFT) link. Thereby it appears that, vice versa, a GPS calibration via a travelling receiver can indeed be used to calibrate a TWSTFT link with an uncertainty below 2 ns.
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页数：8
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