What’s The Difference Between GPS And Glonass?

Understanding Glonass

Glonass (Global Navigation Satellite System) is a Russian satellite navigation system developed by the Russian government. It was first launched in 1993 and has been fully operational since 1996. Glonass provides positioning and timing information for GPS devices and can be used as a backup system in areas where GPS signals are weak or unavailable. In 2011, Russia announced plans to expand Glonass to 24 operational satellites, with 18 operational satellites at the time. The upgraded system is expected to improve accuracy and reliability for GPS devices.

Glonass Features and Benefits

Glonass has several key features that make it a valuable backup system for GPS. It has a higher signal strength and a more robust signal structure than GPS, which allows it to penetrate more easily through obstacles such as buildings and trees. Glonass also uses a different frequency band than GPS, which makes it less susceptible to interference from other sources. Additionally, Glonass can provide more accurate positioning information in certain situations, such as in areas with high levels of multipath interference.

Using Glonass as a Backup System

Many modern GPS devices are capable of using both GPS and Glonass signals to provide more accurate and reliable positioning information. To use Glonass as a backup system, GPS devices can be configured to use both GPS and Glonass signals simultaneously. This can be done by enabling the “WAAS” (Wide Area Augmentation System) or “Egnos” (European Geostationary Navigation Overlay System) mode on the device, which can switch between GPS and Glonass signals as needed. By using both GPS and Glonass signals, GPS devices can provide more accurate and reliable positioning information, even in areas with weak or unavailable GPS signals.