kobuki, May be here is the difference...
Below are the outputs of rtldavis at startup. Do you notice anything special at these settings? Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699861 BitRate: 19200 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699886 SymbolLength: 14 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699901 SampleRate: 268800 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.699987 Preamble: 1100101110001001 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700006 PreambleSymbols: 16 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700020 PreambleLength: 224 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700032 PacketSymbols: 80 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700046 PacketLength: 1120 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700059 BlockSize: 512 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: 15:20:37.700072 BufferLength: 2048 Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: Found Rafael Micro R820T tuner Mar 15 15:20:38 pi36 rtld[7801]: rtldavis: info: Exact sample rate is: 268800.001367 Hz Luc
