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An altitude of 10.3 km was reached, making it the highest verified altitude achieved in Africa by an amateur group. This was an especially notable achievement as the propellant was based on Ammonium Nitrate, as opposed to the more common ammonium perchlorate. All major components used were manufactured in South Africa, including electronics and ...
Amateur radio high-altitude ballooning (ARHAB) is the application of analog and digital amateur radio to weather balloons and was the name suggested by Ralph Wallio (amateur radio callsign W0RPK) for this hobby. Often referred to as "The Poor Man's Space Program", ARHAB allows amateurs to design functioning models of spacecraft and launch them ...
In the early 21st century they developed a V-shaped high-altitude airship under a U.S. Air Force initiative to provide the rapid launch of battlefield communication and monitoring systems. [4] [5] Since then, JP Aerospace has launched several balloons into the upper atmosphere, carrying mixed payloads for research students and media companies.
High altitude breathing apparatus is a breathing apparatus which allows a person to breathe more effectively at an altitude where the partial pressure of oxygen in the ambient atmospheric air is insufficient for the task or to sustain consciousness or human life over the long or short term.
A Skyhook balloon launched in 1957 to photograph the Sun. Skyhook balloons were high-altitude balloons developed by Otto C. Winzen and General Mills, Inc.They were used by the United States Navy Office of Naval Research (ONR) in the late 1940s and 1950s for atmospheric research, especially for constant-level meteorological observations at very high altitudes.
The rocket reached top speed of 3,420 mph (5,500 km/h; 1,530 m/s) in 10 seconds, and reached an estimated altitude of 72 miles (116 km). [6] The avionics were recovered by deployment of a parachute. [6] [8] The final verified altitude of the rocket was released as 72 miles (116 km). [6] [9] [10] [11]