15.05.2012 According to GLONASS System Control Centre, from 07:00 (MT) 17.05.2012 till 07:00 (MT) 19.05.2012 the SC Glonass-M №725 (orbital slot 21) will be set unusable due to the scheduled works

13.03.2012 According to GLONASS System Control Centre possible breaks in SC Glonass-M №715 (14 orbital slot) operation are expected 16.03.2012 from 09:40 till 11:12 (MT) and 20.03.2012 from 13:10 till 14:31 (MT) due to the scheduled works

07.02.2012 According to GLONASS System Control Centre from 08.02.12 till 11.02.12 (inclusive) a short breaks for the maintenance works are planned for 4 Glonass satellites.

01.02.2012 According to GLONASS System Control Center, the orbit correction of Glonass-M satellite #716 (orbital slot #15) was finished at 11:00 (MT) on 01.02.2012, the SC is now operational

23.01.2012 According to GLONASS System Control Center, the scheduled maintenance for orbit correction of Glonass-M satellite #716 (orbital slot #15) will begin at 09:00 (MT) on 23.01.2012, the expected outage for the SC is 10 days