Radio Impuls is one of the largest Czech radios, which offers a lot. After all, even if you need to employ your ears with quality Czech music. This station will offer you.
Radio Impuls also launched a slightly unconventional "Hello, Impuls" competition, which can also be attended by listeners. This is a telephone contest, which the audience is sure to know. In short, Radio Impuls won't let you get bored or something like that.
The idea of an optical telegraph (o. T.) Has been known since ancient times. The conquest of Troy was reported to the Mycenae by fire signals in a chain of fires around 1184 BC.