The Riga LVRTC Transmitter was a mediumwave transmitter in Riga, Latvia, which broadcast on 945 kHz a music program in DRM-simulcast mode, which was receivable at night time in wide parts of Europe. It used as an antenna two guyed mast radiators. One of them was a 125 metre tall guyed lattice mast. The other smaller tower stays a Blaw-Knox Radiator. It is one of the few existing Blaw-Knox Radiators in Europe.