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Wednesday, September 2, 2026

Helge LA6NCA Builds a One Tube CW Transceiver -- And Makes a Contact!


Helge has done it again!  He has shown us the benefits of homebrew CW.  And he has done it with one tube.  FB Helge. 

Of course, I really liked the wooden box.  His is a lot nicer looking than mine.  I also liked how he carefully laid out the parts -- I seem to be stuck in my 13 year-old "build then design" mode.  Helge's way of doing it is better: design, build.   In that order! 

Some will quibble about a lack of 700 Hz offset between transmit and recieve.  With a VFO rig, this could lead to the stations chasing each other across the band.  But Helge is crystal controlled here, so I don't see a problem.  Is that right?  Please comment below. 

Thank you Helge for another great rig, a great schematic, and for showing us your obvious joy at reaching 400 km across the sea to your friend in Norway.  FB! 

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