GS PrelimsScience and TechnologyUniverse and Space Technology2023

Which one of the following countries has its own Satellite Navigation System?

A

Australia

B

Canada

C

Israel

D

Japan

Correct Answer: Option D

Explanation

1. The question asks which of the listed countries possesses its own Satellite Navigation System. 2. Australia relies on global systems like GPS and is developing augmentation systems (e.g., SouthPAN) but does not have its own independent constellation. 3. Canada relies on GPS and other global systems. 4. Israel relies primarily on GPS. 5. Japan operates the Quasi-Zenith Satellite System (QZSS), also known as Michibiki. QZSS functions both as a regional augmentation system for GPS and provides independent navigation capabilities, particularly over East Asia and Oceania. It is considered Japan's own Satellite Navigation System. 6. Therefore, Japan is the correct answer among the given options.

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