Software Defined Radio experiment.
Really it is joyful to listen to DX station with some discreet components and your PC.
The Crystal oscillator is not suitable for good band coverage.
Next step I will add a VFO. The one I've built for 20m was unstable suffering too much frequency drift!
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Yesterday I was in a three-way QSO on 10m AM with two American operators. The technologies in use were very diverse. One of the stateside hams was an old Johnson Valiant transmitter, the other was using a Flex 5000A software defined set-up, and I was using a little single-band Chinese rig (Anytone AT5555). It's wonderful how such different technologies can be put to the same use.
73
Paul
GM4ULS
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