Links of Interest

UFFC Society – Frequency Control
http://www.ieee-uffc.org/frequency_control/index.asp

NIST Physical Measurement Laboratory – Time and Frequency Division
http://www.nist.gov/pml/div688/

BIPM
http://www.bipm.org/en/home/

National Time Service Center – Chinese Academy of Sciences
http://english.ntsc.cas.cn/

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