I have finally tested the HackRF for spurious emissions, and I can say
it is definitely acceptable.
With SDRAngel acting as the IQ modulator, I got really clean
performance on 40m. There is a DC spur at IF center though, so offset tuning should be used.
Wideband spur emissions are minimal, shouldn't interfere with anybody
on HF. Yet to get reception reports though, as now I have no license
and no suitable power PA.
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