Russia successfully launched a Glonass-M positioning satellite using a Soyuz-2.1b carrier rocket, the Russian Defense Ministry said in a statement.
GLONASS is an acronym, which stands for Globalnaya Navigazionnaya Sputnikovaya Sistema, or Global Navigation Satellite System. GLONASS is Russia’s version of GPS (Global Positioning System).
The various versions of GLONASS are:
GLONASS – launched in 1982, the satellites launched were intended to work for weather positioning, velocity measuring and timing anywhere in the world or near-Earth space by the military and official organizations.
GLONASS-M – launched in 2003 add second civil code. It is important for GIS mapping receivers.
GLONASS-k – started in 2011 again has 3 more types namely k1, k2, and km for research. Adds third civil frequency.
GLONASS-KM – will be launched after 2025 (currently in research phase).
GPS developed by the USA has a network of 31 satellites covering this planet and has been widely used in commercial devices like mobile phones, navigators etc.
GLONASS is developed by Russia originally started by the Soviet Union in 1976. This has a network of 24 satellites covering the earth.