High platform
A high-altitude platform ( English high altitude platform (station) , HAP ( S )) is a generic term for quasi-stationary, unmanned flying objects at a great height, also pseudolite mentioned.
The height platform can be used for monitoring (traffic, events, weather) or, if the height is appropriate, for mobile communications without the delay known from satellites . There are also uses in earth observation and astronomy .
Since 2004 some projects are in development or in the experimental stage. Aircraft or airships are to be used as carrier systems .
- ARC - Airborne Relay Communications / USA, Basis: Impact airship (derived from tethered balloons)
- HAA - High Altitude Airship, Lockheed Martin (USA), based on solar airship
- HALE - High Altitude Long Endurance (then DASA ) based on an impact airship (see also MALE (Medium Altitude) )
- SkyDragon (Germany) - TAO-Group, base: articulated airship, flight of the first prototypes in 2002
- SPA - Stratospheric Platform Airship (NLA / Japan) Basis: keel airship project of the Japanese science authority and the Ministry of Post and Telecommunications
- Skystation - (USA), base: impact airship
- StratSat - (Great Britain) - Advanced Technology Group (ATG), based on impact airship
- HALO - High Altitude and Long Range Research Aircraft
- Proteus , manned high-altitude aircraft / USA
- CHHAPP - Composite Hull High Altitude Powered Platform (USA): Family of military and scientific high-altitude airships.
- HiSentinel , Southwest Research Institute / USA in cooperation with the US military (CHHAPP project), basis: unmanned impact airship, 44.5 m long, reached an altitude of 22,555 m (74,000 ft) on November 8, 2005. Starts limp and only gets its shape with the expanding gas.
- SkyTower - AeroVironment / USA, prototype: Helios solar aircraft
- AVCS - General Atomics / USA is also a producer of reconnaissance drones
- Heliplat - Helio Platform ASI-Italian Space Agency, based on solar aircraft
- Stratellite - Sanswire Networks, LLC / USA, base: solar rigid airship, maiden flight of the military prototype was in autumn 2005.
- South Korea: 50 m airship with 4,000 m² Korea Aerospace Research Institute (KARI) in cooperation with the Aeros Corporation
- Aerosphere - (USA), spherical impact airship
The Airbus Zephyr has been in series production since 2018 .
literature
- Alejandro Aragón-Zavala, et al .: High-altitude platforms for wireless communications. Wiley, Chichester 2008, ISBN 0-470-51061-7 .
- Robert A. Fesen: A High-Altitude, Station-Keeping Astronomical Platform. Proc.SPIE Int.Soc.Opt.Eng. 6267 (2006), @ arxiv
Web links
- High-Altitude Airships for the Future Force Army rand.org, accessed May 29, 2015
- Timeliness of Science on Airships KISSCaltech @ youtube
Individual evidence
- ↑ A HAPS can be classified as a flying aircraft (manned or unmanned) or an unmanned, lighter-than-air airship (LTA) positioned in the stratosphere . in: Alejandro Aragón-Zavala, et al .: High-altitude platforms for wireless communications. Wiley, Chichester 2008, ISBN 0-470-51061-7 , p. 142.
- ↑ Alexander Stirn: The extra high-flying scouts are coming In: Neue Zürcher Zeitung of March 22, 2019
- ↑ NASA Seeks Comments on Possible Airship Challenge jpl.nasa.gov, accessed February 15, 2016
- ^ Modern Research Borne on a Relic nytimes.com
- ↑ Alexander forehead: floating for 26 days. In: PM Magazin No. 12, 2019, pp. 36–40. ISSN 1863-9313