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What is Hellschreiber.
Hellschreiber is a German name, meaning "bright writing", or "clear writing". Hellschreiber is anything but a new mode. It was first patented in 1929 which makes it the oldest machine generated data transmission mode used in amateur radio. To put this in perspective, SSB...
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Hellschreiber K7AGE |
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Terry, W0VB, describes his rural station for working EME, aurora and meteor weak signals on 2 meters using a Software Defined Radio (SDR) Flex Radio Systems SDR-1000. The video contains an aurora contact with VE3AK and also a tour of Terry's six Yagi array.
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w0vb 2 meter weak signal station |
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Terry, W0VB, describes his rural station for working EME, aurora and meteor weak signals on 2 meters using a Software Defined Radio (SDR) Flex Radio Systems SDR-1000. The video contains an aurora contact with VE3AK and also a tour of Terry's six Yagi array.
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w0vb 2 meter weak signal station |
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During the European Triode Festival 2006 (ETF06) the 100th anniversary of the Triode was celebrated. To honor this Triode Centennial, a copy of the DeForest Audion (the first triode) was made. This video documents the making of the ETF06 Triode.
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European Triode Festival 2006 |
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