The articles covering research in the field of time-and-frequency and coordinate-time measurements are represented in most works that determine the theme of the next issue of the Al’manac of Modern Metrology no 9 (the first issue in 2017).
The first part of the Al’manac attracts considerable attention to fundamental research of aspects of the space metrology, gravitational, gravimetrical and frequency-and-time measurements. The works deal with the direct detection of the gravitational waves, investigation of relativistic synchronization methods for ground and onboard atomic clocks; synchronization and comparison of the time scale.
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