<page_title> GLONASS </page_title> <section_title> Ground control </section_title> <table> <cell> x <col_header> System control </col_header> <row_header> Krasnoznamensk </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <row_header> Krasnoznamensk </row_header> <row_header> x </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Telemetry, Tracking and Command </col_header> <col_header>  </col_header> <row_header> Schelkovo </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Laser Ranging </col_header> <col_header>  </col_header> <row_header> Schelkovo </row_header> <row_header>  </row_header> <row_header> x </row_header> <row_header> x </row_header> <row_header> x </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <row_header> Schelkovo </row_header> <row_header>  </row_header> <row_header> x </row_header> <row_header> x </row_header> <row_header> x </row_header> <row_header> x </row_header> </cell> <cell> x <col_header> Telemetry, Tracking and Command </col_header> <col_header>  </col_header> <col_header> x </col_header> <row_header> Komsomolsk </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Laser Ranging </col_header> <col_header>  </col_header> <col_header> x </col_header> <row_header> Komsomolsk </row_header> <row_header>  </row_header> <row_header> x </row_header> <row_header>  </row_header> <row_header> x </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Komsomolsk </row_header> <row_header>  </row_header> <row_header> x </row_header> <row_header>  </row_header> <row_header> x </row_header> <row_header> x </row_header> </cell> <cell> x <col_header> Telemetry, Tracking and Command </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Saint Petersburg </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Telemetry, Tracking and Command </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Ussuriysk </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Telemetry, Tracking and Command </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Yenisseisk </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header>  </col_header> <col_header>  </col_header> <row_header> Yenisseisk </row_header> <row_header>  </row_header> <row_header> x </row_header> <row_header>  </row_header> <row_header> x </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header>  </col_header> <col_header>  </col_header> <col_header> x </col_header> <row_header> Yakutsk </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header>  </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Ulan-Ude </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header>  </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Nurek </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header>  </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Vorkuta </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header>  </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Murmansk </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> </cell> <cell> x <col_header> Monitoring and Measuring </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header>  </col_header> <col_header>  </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <col_header> x </col_header> <row_header> Zelenchuk </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> <row_header>  </row_header> </cell> </table>
The GLONASS ground segment consists of: a system control centre; five Telemetry, Tracking and Command centers; two Laser Ranging Stations; and ten Monitoring and Measuring Stations.