It's actually deconvolution ( ?) and it can work as the tinySA RBW filters are well defined and are fairly steep.
The required memory may be too high and the frequency resolution is only 260Hz allowing maximum 10 substeps.
The required scan time with 10 substeps is at least a factor 10 higher.
I may look into this but do not have too much hope.
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HBTE Files section:?
/g/HBTE/filesErik, PD0EK