After long sessions of debugging and a lot of help from Leif Asbrink SM5BSZ, here's a new firmware update that improves the dynamic range by another 8 dB.
This may not be visible in all situations, but extreme signal cases would benefit from this upgrade. In order to simplify the maintenance, I moved all the firmware updates to the HF+ page:
It is recommended to update SDR# as well, or libairspyhf if using a different SDR application:
Other improvements are in the works. Stay tuned!
(Prog via airspy list)