 However at that time two diesel locomotives and some transporter wagons were acquired and the Zillertalbahn became the first railway in Austria to use "Zugfunk"—train control by radio.In 1976 extraction of magnesium ore from Tux came to an end; this traffic had been an important source of income for the line since 1928.Since 2005, points on the line have been operated remotely from the Jenbach Control Centre using fibre-optic technology.