The next issue of the “Almanac of modern metrology” 4 (24) is presented mainly as a thematic one, devoted to the problems of creating complex navigation systems, including strapdown inertial navigation systems, GLONASS, as well as correlation-extreme navigation systems using the results of measuring the parameters of the Earth’s gravitational and magnetic fields. The presented … Continue reading Al’manac of Modern Metrology № 4 (24) 2020