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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 ...
A weather balloon, also known as a sounding balloon, is a balloon (specifically a type of high-altitude balloon) that carries instruments to the stratosphere to send back information on atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde.
A driftsonde is a high altitude, durable weather balloon holding a transmitter and a bank (35 in the first models) of miniature dropsonde capsules which can then be dropped at automatic intervals or remotely. The water-bottle-sized transmitters in the dropsondes have enough power to send information to the balloon during their parachute ...
The presence of the high-altitude balloon comes approximately one year after a high-altitude balloon originating from China drifted over the US, causing national attention and political tension.
While the exact altitude is unclear, high-altitude balloons typically fly around 60,000 feet or higher -- a level at which the balloons fly above the jet stream -- or the fast-moving current of ...
The U.S. military is monitoring an unidentified "small" balloon flying at high altitudes over the west, according to two U.S. officials and a defense official.
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 Helikite design is intended for all-weather, high-altitude operations. The balloon's shape allows it to be flown in any weather or for altitudes up to 7000 feet. In wind, both the main aerodynamic lift and the aerostatic lift are at the front, while the spar weight and keel are at the stern.