The FM and TV mast Katowice / Kosztowy (RTCN Katowice / Kosztowy) is a 358,7 metre tall guyed mast for FM and TV situated at Mysłowice - near Kosztowy, Poland. It replaced the TVP Katowice Mast which was dismantled in the 1970s. The TVP Katowice Mast which it replaced was a 225-metre-high guyed steel framework mast with a triangular cross-section near Katowice, Poland. It was not the transmission site for the medium-wave frequency 1080 kHz. This frequency is transmitted by the transmitter Koszęcin.