The relevance of reliable high-precision navigation is confirmed by the organizational structure of the satellite radio navigation system (SRNS) GLONASS, in which there are no regular structures of electronic protection, in contrast to the American SRNS GPS, provided with standard systems “Select available” and “Antispoofing”.
Under these conditions, it is necessary to constantly verify the reliability of the SRNS sync signals for the consumer, which is possible only with the formation of its own high-precision time scale. Own time scale provides verification of the reliability of navigation signals, “hot start” of the navigation equipment of the consumer, reducing the integration limits of time periods when solving the navigation task. Compensating for the error of low-frequency flicker noise by optimal filtering is a complex problem due to nonstationary. For the organization of optimal filtering, it is necessary to determine the correlation function and estimate the filtering by dispersion, which is unattainable for non-stationary processes. This problem is solved in this paper by applying the Kolmogorov theory to form a time scale using the mathematical apparatus of structural analysis.