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Al's picture

Hi Bill,
I'm not sure this is the right approach, the dongles are very susceptible to external interference and the tuners perform quite differently from each other. It's also not always possible to fully disable the AGC on some tuners. The ADC on these chips is 8-bit so it will give a SNR of 48.2dB at best.
I am wondering about adding a user definable offset in the future though, probably after the next round of fixes.