Complex sentence: It was established in 1932 as "Reichssender Breslau" and used as an antenna tower, a 140 metre tall free-standing lattice tower built of wood, in which a wire antenna was hung up.
Split into simpler sentences: It was established in 1932 as "Reichssender Breslau" and used as an antenna tower. Originally it was a 140 metre tall free-standing lattice tower built of wood, on which a wire antenna was hung up.