Steve G1KQH has just sent me an eBay link to yet another multi-band HF SSB SDR transceiver from China. This retails for about £115! How do they do it and make money?
1 Oct 2021
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Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
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Oscar 100 narrowband activity
Every few weeks I take a peek at the narrowband activity on Oscar 100, the geosynchronous satellite. My own view is activity is patheticall...
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1 comment:
QCX and open source gives a clue. Hans Summers QCX is a single band CW transceiver.
Some clever amateurs found that they could use software make it work on sideband. They then discarded a lot of components from the board which they didn't need.I think Hans was impressed with their programming and made the basic boards available for those who wanted to have a go.
This rig looks like a multiband development of that project. I don't know how Hans feels about that given his QSX is still in pre-production development. His QSX is designed to tight specifications. Perhaps this rig may require additional filtering on the output.
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