Cosmos 2545

GLONASS-M, also known as Uragan-M are the second generation of Uragan satellite design used as part of the Russian GLONASS radio-based satellite navigation system. It is an evolution of the previous Uragan (GRAU Index 11F654) second-generation satellites, improving accuracy, increasing power, extending the design life and adding the FDMA L2OF open signal. The last eight Glonass-M spacecraft in production include the new CDMA L3OC open signal.