First comparison of remote cesium fountains

被引：18

作者：

Parker, T ^{[1
]}

Hetzel, P ^{[1
]}

Jefferts, S ^{[1
]}

Weyers, S ^{[1
]}

Nelson, L ^{[1
]}

Bauch, A ^{[1
]}

Levine, J ^{[1
]}

机构：

[1] Natl Inst Standards & Technol, Boulder, CO 80305 USA

来源：

PROCEEDINGS OF THE 2001 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM & PDA EXHIBITION | 2001年

关键词：

atomic frequency standard; cesium fountain; comparison;

D O I：

10.1109/FREQ.2001.956161

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The frequencies of the cesium fountain primary frequency standards at the National Institute of Standards and Technology and the Physikalisch-Technische Bundesanstalt have been compared. Two-way satellite time and frequency transfer and GPS carrier-phase were the principal frequency-transfer techniques used to make the comparison. For the 15-day interval in which both fountains were in operation the frequencies were compared with an additional uncertainty due to the comparison process of only 6.2x10(-16). The two standards agree within their stated one-sigma uncertainties of similar to1.7x10(-15).

引用

页码：63 / 68

页数：6

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