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A high altitude platform can provide observation or communication services. A high-altitude platform station (HAPS, which can also mean high-altitude pseudo-satellite or high-altitude platform systems), also known as atmospheric satellite, is a long endurance, high altitude aircraft able to offer observation or communication services similarly to artificial satellites.
The Hawk30 flying-wing is a development of the NASA Pathfinder and NASA Helios high-altitude, long-endurance unmanned aircraft built by AeroVironment for NASA. [2] Resembling the 1999 Helios, the tailless aircraft is a 256 ft (78 m) span flying wing with 10 electric-driven propellers. Orbiting at 65,000 ft (20,000 m), it is solar-powered by day ...
The development of the aircraft is ongoing and currently part of the Airbus High Altitude Pseudo-Satellite (HAPS) programme. [43] It is intended to provide both surveillance and connectivity solutions for months at a time.
The Zephyr is a series of high-altitude platform station aircraft produced by Airbus. They were designed originally by QinetiQ, a commercial offshoot of the UK Ministry of Defence. In July 2010, the Zephyr 7 flew for 14 days. In March 2013, the project was sold to Airbus Defence and Space. In the summer of 2022, the Zephyr 8/S flew for 64 days.
HAL Combat Air Teaming is a composite amalgamation of a manned fighter aircraft acting as "mother ship" supported by number of swarming UAV and UCAVs. [8] [9] The objective is to make artificially intelligent (AI) high altitude surveillance drone, air launch platform and loitering munitions with full situational awareness to take out enemy targets from longer distance without human intervention.
All satellites broadcast at the same two frequencies, 1.57542 GHz (L1 signal) and 1.2276 GHz (L2 signal). The satellite network uses a CDMA spread-spectrum technique [167]: 607 where the low-bitrate message data is encoded with a high-rate pseudo-random (PRN) sequence that is different for each satellite. The receiver must be aware of the PRN ...
The Facebook Aquila is an experimental solar-powered drone developed by Facebook for use as an atmospheric satellite, intended to act as relay stations for providing internet access to remote areas. The Aquila first flew on 28 June 2016 with a second aircraft successfully flying in 2017.
A HAPS (High-Altitude Platform System or High Altitude Pseudo-Satellite), is an unmanned aerial vehicle which is to remain relatively stationary at high altitude. They can be used as communications platforms, for weather surveys, traffic reports etc.