Radio

Radio - the first technical Toolkit available for wireless communication.
Radio

Alexander Stepanovich Popov (1859-1906) - Russian physicist, the inventor of radio. Convinced of the possibility of a connection without wires with the help of electromagnetic waves, Popov has built the world's first radio receiver, using the schema of the sensor element - coherer.
Popov Alexander Stepanovich

The receiving device, demonstrated by A.S.Popov

At first radio communication was installed at a distance of 250 meters tirelessly working on his invention, Popov soon made ​​the communication range of more than 600 meters then on maneuvers Black Sea Fleet in 1899. scientists discovered radio at a distance of more than 20km and in 1901. range of radio was already 150km.

After 5 years after construction began operating the first receiver regular line of wireless communication at a distance of 40 km. thanks telegram transmitted by the line in winter 1900. , The icebreaker "Ermak" removed from the ice fishermen, who blew a storm at sea. Radio, which started its practical history of the salvation of people, it has become a new progressive form of communication in the XX.

modern electronic devices broadcasting technology