Hi,
> I've used SDRSharp to fine tune my dongle to a local Airfield ATIS broadcast, > and like many others in our group come up with an error of around 50ppm. So I > can use rtlsdr_set_freq_correction() in my application to fine tune the RF > center frequency. However, there is only one crystal in the dongle (28.8MHz) > and that crystal generates both the RF frequency and the digital sampling > frequency. So presumably if the RF frequency is 50ppm off, then so is the > digital sampling frequency. > > My question is : Does the rtlsdr_set_freq_correction() function correct both > the RF frequency (set by rtlsdr_set_center_freq()) and the sampling frequency > (set by rtlsdr_set_sample_rate()) , or just the RF? It should correct both. At least there is dedicated code for this (commit a48f48e3b181d7bdb72345d61977f7bea0292f2d). Whether this actually works or how well it works is another issue :p Cheers, Sylvain
