JTDX 2.2.160 can be found on various repositories. Ensure you are downloading from reputable sources.
directly from the internet. This includes compressed versions of grid_data.bin state_data.bin , ensuring your location and state data are always current. Hamlib Enhancements : Version 2.2.160-rc4 and later are built with a modified jtdx 2.2.160
4.4. Demodulation and Decoding