• sptr : gr::lfast::agc_fast , gr::lfast::agc_fast_ff , gr::lfast::CC2F2ByteVector , gr::lfast::costas2 , gr::lfast::costas4 , gr::lfast::MTFIRFilterCCC , gr::lfast::MTFIRFilterCCF , gr::lfast::MTFIRFilterFF , gr::lfast::nlog10volk , gr::lfast::quad_demod_volk