Project Loon — UPSC Prelims PYQ 2016

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Waste management technology
Wireless communication technology
Solar power production technology
Water conservation technology

Explanation

Option (b) is correct

Initiative and Purpose: Project Loon was a wireless communication technology initiative by Alphabet Inc., Google’s parent company, aimed at providing affordable global internet access.
Technology and Altitude: The project utilized high-altitude balloons positioned in the stratosphere at altitudes between 18 km (11 miles) and 25 km (16 miles).
Discontinuation: Despite its innovative approach, Project Loon faced financial challenges, leading to its discontinuation in January 2021.

Diagram illustrating LTE signal transmission using high-altitude balloons traveling eastward and westward at 18-25 km altitude, with LTE or laser beams connecting balloons to ground stations. It shows signal coverage over an 80 km diameter area, including control signals, data signals, customer LTE receivers, ground station, internet connection, and control center components.