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Balloon Experiments with Amateur Radio
Balloon Experiments with Amateur Radio or BEAR is a series of Canadian-based amateur radio high-altitude balloon experiments by a group of Amateur Radio operators and experimenters from Sherwood Park and Edmonton, Alberta. The experiments started in the year 2000 and continued with BEAR-9 in 2012 reaching .
The balloons are made of latex filled with either helium or hydrogen. All of the BEAR payloads carry a tracking system comprising a GPS receiver, an APRS encoder, and a radio transmitter module. Other experimental payload modules include an Amateur Radio crossband repeater, and a digital camera all of which is contained within an insulated foam box suspended below the balloon. A parachute recovery system is automatically deployed when the balloon bursts at altitude.〔
==BEAR-1==
On May 27, 2000, this helium-filled balloon with a payload of .977 kg, was launched from the Bremner airport, and reached an altitude of 31,762 meters (104,206 feet). This first flight was a test of the GPS receiver used, to ensure that the unit successfully reported location information above the 60,000 foot limit imposed upon manufacturers, as well as the payload enclosure and antenna system to be used for future flights. A Pooh Bear mascot was also included in the payload for luck.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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