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Thanks for the images.
Looks like displays from three different STL-SDR units,
that is if the RTLSDR Scanner is running on one of the lower cost devices?
When comparing the SDRplay and the Airspy,
noticed the noise spectrum on the lower frequency side of Channel 3 is different for each.
Specifically, the noise is increasing near lower edge of Ch3 for the SDRplay,
for the Airspy decreases a bit near lower edge of Ch 3.
Wonder if that reoccurs, repeatable?
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