The experiment with running Spectrum Lab in a Virtual Machine under Mac OS did not look so good. There seems to be some small frequency shifts, even on a fully static carrier.
The Grabber has been moved to a Windows machine I had anyway. I will probably add WSPR later, but it is getting late, so stopping activities for today. The activities with the Chinese "active loop" took up some time today, so this is it.
The grabber already looks better.
KE5HPY's Altoids Direct-Conversion Receiver for 40 Meters
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Click on the image for a much clearer view.
*It is a thing of beauty. You can see all four stages in there. There is
the Bandpass Filter in the upper l...
2 hours ago
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