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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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2008 W2RE finished a 4 month antenna project that swapped out antennas and added antennas to maximize gain using HFTA. The new antennas and stacks will maximize gain with the guide of the HFTA (N6BV) software.
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W2RE antenna project |
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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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Leo and his guest talk about the early days of radio and the basics of the electronics of the era.
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Lab Leo Tube |
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