east of gramada there is a powerful medium-wave broadcasting station built in 1973 called vidin transmitter. its signals can be easily received in the whole of europe. it works on 576 khz and on 1224 khz with a power of 500 kw. for transmission on 576 khz a guyed mast equipped with a cage antenna at its lower part is used. for the transmission on 1224 khz four guyed masts, insulated against ground, each equipped with a cage antenna, are used, which allows a switchable directional pattern.