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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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High-altitude platform station
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A high-altitude platform station, also known as atmospheric satellite, is a long endurance, high altitude aircraft able to offer observation or communication services similarly to artificial satellite
Wind profile variation with altitude from NASA, showing minimum wind speeds between 17 and 22 km (56,000 and 72,000 ft). Although absolute values will vary, the trends shown are similar for most locations.
Wind profile variation with altitude from NASA, showing minimum wind speeds between 17 and 22 km (56,000 and 72,000 ft). Although absolute values will
Capable of flying up to 60,000 ft (18,300 m) more than 34 hours, the RQ-4 Global Hawk was put into USAF service in 2001.
Capable of flying up to 60,000 ft (18,300 m) more than 34 hours, the RQ-4 Global Hawk was put into USAF service in 2001.
NASA Pathfinder Plus
NASA Pathfinder Plus
NASA Centurion
NASA Centurion
Loon LLC
Videos
Loon LLC was an Alphabet Inc. subsidiary working on providing Internet access to rural and remote areas. The company used high-altitude balloons in the stratosphere at an altitude of 18 km to 25 km to
High-altitude platform station
…technology. However few prototypes have been built and none are operational. Among balloons specifically, the most well known high-endurance project was Google Loon, using helium-filled high-altitude balloons to reach the stratosphere. Loon was ended in 2021 after nine years of development. In 1983, Lockheed produced…
A Loon balloon at the Christchurch launch event in June 2013
A Loon balloon at the Christchurch launch event in June 2013
The Loon network worked by transmitting from ground stations to a number of balloons floating high up in the atmosphere, which was then received by cu
The Loon network worked by transmitting from ground stations to a number of balloons floating high up in the atmosphere, which was then received by customers' receivers. Also shown: the wind traveling strategy, the Internet connection, and the area served.