<page_title> Satellite navigation </page_title> <section_title> Comparison of systems </section_title> <table> <cell> China <col_header> BeiDou </col_header> <row_header> Owner </row_header> </cell> <cell> European Union <col_header> Galileo </col_header> <row_header> Owner </row_header> </cell> <cell> Russia <col_header> GLONASS </col_header> <row_header> Owner </row_header> </cell> <cell> United States <col_header> GPS </col_header> <row_header> Owner </row_header> </cell> <cell> Basic nav. service by 2018 end to be completed by H1 2020 <col_header> BeiDou </col_header> <row_header> Status </row_header> </cell> <cell> Operating since 2016 2020 completion <col_header> Galileo </col_header> <row_header> Status </row_header> </cell> <cell> Operational <col_header> GLONASS </col_header> <row_header> Status </row_header> </cell> <cell> Operational <col_header> GPS </col_header> <row_header> Status </row_header> </cell> </table>
The United States' Global Positioning System (GPS) and Russia's GLONASS are fully operational, with China's BeiDou and the European Union's Galileo scheduled to be fully operational by 2020.