High-altitude platform station | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-05-06

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/High-altitude_platform_station


00:00:45 1 Design considerations
00:00:55 1.1 Limitation due to power
00:01:39 1.2 Altitude selection for HAPS
00:02:34 2 Comparison to satellites
00:03:31 3 Applications
00:03:40 3.1 Telecommunications
00:04:41 3.2 Surveillance and intelligence
00:05:29 3.3 Real-time monitoring of a region
00:05:56 3.4 Weather and environmental monitoring
00:06:39 3.5 As a rocket launch platform
00:07:27 4 Lockheed-Martin High-Altitude Airship (HAA)
00:09:52 5 Stratospheric airship
00:11:27 6 Aircraft
00:15:48 7 See also



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SUMMARY
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High-altitude platform station or High-Altitude Pseudo-Satellite (short: HAPS) or High-Altitude Platform (short: HAP or HAPs[plural]) is – according to Article 1.66A of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR) – defined as "a station on an object at an altitude of 20 to 50 km and at a specified, nominal, fixed point relative to the Earth".
Each station shall be classified by the service in which it operates permanently or temporarily.

See also