The largest part of the published works of the “Almanac of the Modern Metrology” fifteenth edition (third number this year), is mostly devoted to time-frequency measurements. First of all, among these works there is an article about the modernized re-confirmed State standard of time, frequency and national time scale. Attention is paid to the standard-bearers of the new generation playing an important role in transfer of accurate time values. Undoubtedly, a great practical interest is connected with the detailed work devoted to the regulatory base in the field of measurement of the Earth’s rotation parameters.
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