What is a "Global Satellite System"? The Most Authoritative Explanation.

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What is a "Global Satellite System"? The Most Authoritative Explanation.

What are global navigation satellite systems (GNSS)?

Global navigation satellite systems (GNSS) are invisible pieces of technology that people rely on everyday without thinking about it. From communications systems to mobile navigation applications like Google Maps, GNSS affects what we do every day. But what are global navigation satellite systems?

What is GLONASS satellite system?

The GLONASS (GLObal NAvigation Satellite System or “GLObalnaya NAvigatsionnaya Sputnikovaya Sistema”) is nearly identical to GPS. Glonass satellite-based radio-navigation system provides the positioning and timing information to users. It is operated by the Ministry of Defense of the Russian Federation (GLONASS-ICD, 2002).

What is a GEO satellite?

GEO stands for Geostationary Earth Orbit. The communication satellites in this orbit operates at a distance of about 36000 km above the earth’s surface and their orbital time period is about 24 hours. Geostationary Orbit Satellites are used for radio broadcasting.

How many GPS satellite signals are there?

There are four GPS satellite signals that are used to compute positions in three dimensions and the time offset in the receiver clock. GPS comprises three main components: Space segment: The Space Segment of the system consists of the GPS satellites; see Figure 1. These space vehicles (SVs) send radio signals from space as shown in Figure 2.


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