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Old September 27th, 2006, 03:15 PM   #1
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Captive balloons, kites and captive helicopters

Captive balloons, kites and captive helicopters are no architectural structures, because they can be dismantled quickly. Nevertheless there are and were some remarkable experiments with captive balloons. So in 2003, there was in UK (where?) between March 17th, 2003 and April 8th, 2003 an experimental transmitter with the callsign GQV on the air, which used as antenna a 1341 metre tall wire rised by a captured balloon in the air. Remarkable hereby was, that this transmitter used a power of 30 kilowatts and was nearly continously in service. (One may not foget, that the antenna wire shows high voltage toward ground and that the balloon is affected by wind). Further information of GQV can be found on http://en.wikipedia.org/wiki/GQV .
Has someone informations about other remarkable experiments with captive balloons, kites and captive helicopters?
Which is the greatest height a captive (not free-flying) balloon ever reached?
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