Question:Consider the following:
(1) BeiDou – China
(2)GPS – USA
(3)Galileo – Russia
(4)Glonass – European Union
Which of the above is correctly matched?
(a) 1 and 2
(b)3 and 4
(c) 1,2 and 4
(d)2 and 4
Answer:(a)
Context:
- China has successfully launched the last satellite of its BeiDou Navigation Satellite System(BDS).
- BeiDou Navigation Satellite System(BDS): It is a Chinese satellite navigation system.
- Type: Military and commercial
- Coverage: Global
- Total satellites: 35 (2020)
Additional Facts:
- Global Navigation Satellite System:GPS (US), GLONASS (Russia), Galileo (EU), BeiDou (China).
- Additionally, there are two regional systems – QZSS (Japan) and IRNSS or NavIC (India).
- NavIC: Itis an independent regional navigation satellite system developed by the Indian Space Research Organization(ISRO).It provides accurate position information service to users in India as well as the region extending up to 1500 km from its boundary.
Facts about BeiDou:
Pakistan has become the first country to use the BeiDou system ending itsrelianceon the Global Positioning System (GPS).
About BeiDou Satellite System:
Named after the Chinese term for Big Dipper, the BeiDou system started providing independent services over China in 2000. It is being projected by Beijing as a rival to the American Global Positioning System (GPS).
- The full constellation is scheduled to comprise 35 satellites.
- BeiDou has two separate constellations, BeiDou-1 and BeiDou-2. BeiDou-1 also known as first generation was a constellation of three satellites.
- BeiDou-2, also known as COMPASS, is the second generation of the system. It became operational in the year 2011.
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