GLONASS-M satellite number 55 is planned for launch on June 14 from the Plesetsk cosmodrome, said the first deputy director Viktor Kosenko as reported by Interfax.ru.
Kosenko said that through 2020, 25 more GLONASS satellites are planned: 11 GLONASS-M, 10 Glonass-K1, and four Glonass-K2. At the same time, he said, one GLONASS-K1 spacecraft is in orbit undergoing flight tests.
GLONASS-M number 55 is equipped with experimental apparatus emitting navigation signal in the frequency range L3. The experiment flight qualification of this equipment and accuracy characteristics of the navigation software. Using the third frequency band along with the L1 and L2 bands comprising GLONASS satellites is directed to improving the competitiveness of the system as a whole.
A Soyuz2.1b rocket will be used for the launch. This is the second launch campaign for the development of the GLONASS system this year.