The Transmitter Kojál is a facility for FM- and TV-transmission at Kojál Hill near Brno in the Czech Republic. Its aerial mast is a 340 metre high guyed mast. Mast is third tallest structure in the Czech Republic.Mast was built as replacement of 324 metre tall guyed mast, built of lattice steel in 1959/60. This mast, which had a triangular cross section, was anchored in 4 levels, which were situated 63.75 metres, 135 metres, 213.75 metres and 292.5 metres above ground. In a height of 300 metres, it had a cabin with rooms for measurements. On this there was the antenna mast with antennas for FM and TV broadcasting.