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#11
November 13th 11, 12:49 PM
posted to rec.audio.tubes,rec.radio.shortwave
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Building a new shortwave tube radio
On Sat, 12 Nov 2011 17:24:02 -0800, arthrnyork wrote:
As far as I know- none of the satellites are using vacuum tubes . That's the reality . Almost all of them use TWTAs, a form of vacuum tube, for their final downlink amplifiers. |
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