Which GNSS System Is Best
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The world is becoming increasingly connected. Everyone needs to know their accurate location at all times. The applications of accurate geographical location are multifaceted and are not limited to personal use but also used in commercial as well as emergency sectors. Furthermore, nations use satellite based location data to protect their borders as well as interests.
With that brief introduction out of the way, it is time to pay attention to GPS, GLONASS and Galileo in a bid to ascertain which Global Navigation Satellite System (GNSS) is best. However, before that we need to discuss what a GNSS is, exactly!
So What Is A GNSS, Exactly?
GNSS is an umbrella term that is assigned to any satellite-constellation based navigation system that is designed to provide autonomous geo-spatial positioning to users located anywhere on the Earth’s surface.
How Does A GNSS Work?
Time signals are emitted from the Global Navigation Satellite System satellites which are then received by small electronic receivers (GPS trackers) which in turn determine the receiver’s location using the longitude, latitude, and altitude parameters. These parameters are measured by a GPS tracker using pertinent hardware present inside them. Each Global Navigation Satellite System has its fixed number of satellite constellations scattered in space just on the edge of the Earth’s atmosphere – specifically in a Medium Earth Orbit.
GPS: The Pioneering Navigation System From The United States!
GPS – stands for Global Positioning System. It was invented by the United States and was launched in 1995. This Global Navigation Satellite System has a satellite constellation consisting of 31 operational satellites that are hovering in a Medium Earth Orbit (MEO). The system offers a global coverage and most (if not all) GPS tracking devices are compatible with the GNSS. However, GPS tend to lose its accuracy or efficiency when used out in the wild. Additionally, GPS also tend to lose its reliability when the user is accessing this GNSS from a densely populated urban location.
GLONASS: GPS's Russian Counterpart!
GLONASS – stand for Globalnaya Navigatsionnaya Sputnikovaya Sistema. It was invented by the Soviet Union and attained ‘fully operational’ status in 1995. This GNSS also offers a global coverage and relies on 24 satellites placed in the MEO. The strengths of this GNSS consist of impressive accuracy in higher latitudes and Polar Regions. However, users often point out that the system is a bit unreliable due to slow paced upgrades on the hardware front, when compared to the rate of modernization followed in the competing Global Navigation Satellite Systems.
Galileo: The Precision Navigation System Hailing From Europe!
Galileo – isn’t an acronym. This is the newest Global Navigation Satellite System (GNSS) and was launched by the European Union, in conjunction with the European Space Agency (ESA). The ESA took a lot of time to ensure Galileo’s accuracy surpasses that of GLONASS and GPS which is why the system has an aim to have at least 30 navigational satellites in the MEO.
Currently the system relies on 24 operational MEO satellites. The system also offers global coverage and is known to offer users superior accuracy (meter-level)! The one weakness this GNSS has is that it doesn’t support older receiver devices (GPS trackers).
Which GNSS System Is Ideal For The Average Car Owner?
Well, it would be unwise to select only one or none of these Global Navigation Satellite Systems.
End users looking for personal or commercial location tracking devices should go for products that are compatible with GPS, GLONASS, Galileo, and other regional location tracking ecosystems like the Chinese BeiDou or the Japanese QZSS.
Why?
The reason is simple. A car tracker like Vyncs GPS tracker that can work with any Global Navigation Satellite System, offer users with benefits like –
- Impressive Accuracy: multiple GNSS compatibility means more precise positioning!
- Unmatched Availability: multiple GNSS compatibility means no more signal loss in challenging environments!
- Unparalleled Reliability - multiple GNSS compatibility means easy and quick location signal locking even when one or two GNSS signals are not reaching the receiving device (GPS tracker)!
Who’s The Boss?
Well, all three Global Navigation Satellite Systems have their strengths and weaknesses. Hence, it makes sense for tracking solution providers to develop devices that can use all three GNSS constellations, simultaneously in a bid to ensure users can benefit from accurate & reliable satellite based navigation – that’s the takeaway message here!