FM- and TV-mast Helsinki-Espoo is a mast located on Harmaakallio hill near Latokaski, Espoo, Finland. Its current height is 326 metres (1,070 ft). When the mast was first built in 1971, its height was 303 metres (994'). Its height was increased to 326 metres (1070') in 1988, when the station was expanded, and the present mast was erected. It shares the title of third highest structure in Finland, after the Tiirismaa (in Hollola), and Haapavesi radio and TV masts. The radio mast in Kiiminki has the same height.