UPSC CDS 1 2022 GK Paper

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Question : 105 of 120

Marks: +1, -0

Which one of the following statements is correct regarding LOFAR (Low-Frequency Array)?

It is the world's most powerful radio antenna.
It is a space technology launched by NASA to discover exoplanets.
It is an arrangement of satellites in space for the purpose of creating Satellite Navigation System.
It is a wireless communication technology for 5G services.

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