What is GLONASS?
GLONASS (Global Navigation Satellite System) is a satellite-based navigation system operated by the Russian Federation.
Similar to the GPS (Global Positioning System) operated by the United States, GLONASS provides global coverage and is used for a variety of applications, including navigation, mapping, surveying, and timing. GLONASS consists of a constellation of approximately 24 satellites in medium Earth orbit, along with ground control and monitoring stations. The system uses a combination of radio signals from multiple satellites to determine the position, velocity, and time of a receiver on Earth. GLONASS signals are broadcast on several frequency bands, including L1 and L2, and are compatible with many GPS receivers. The use of GLONASS, along with GPS and other satellite navigation systems, can improve the accuracy and reliability of position and navigation data. In some cases, using multiple satellite systems can also provide redundancy and improve the availability of navigation signals in challenging environments, such as urban canyons or mountainous terrain.