CH4\readme.txt ...\runsim.m ...\stbc12.m ...\stbc14.m ...\stbc21.m ...\stbc22.m ...\stbc22_cor.m ...\stbc22_est.m ...\stbc31.m ...\stbc34.m ...\stbc41.m ...\stbc44.m ...\tx_modulate.m ...\ui_check_params.m ...\ui_read_options.m ...\ui_start.m ...\ui_start_sim.m CH4