Regional navigation system of different countries - Science & Technology

Q.  Consider the following statements

1. Russia has regional navigation system called GLONASS
2. Beidou is global navigation system of China
3. France is working on DORIS, a regional navigation system

Which of the above statements are true?
- Published on 30 Apr 15

a. 1,2
b. 1,3
c. 1,3
d. 2

ANSWER: 1,2
 
GLONASS is global navigation system while currently in operation Beidou-1 is regional which will be expanded to global platform after launch of Beidou -2.

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