The Bolshakovo transmitter was the most powerful medium-wave transmitting site (AM broadcasting station) in the world located near Bolshakovo, Russia. It was used by Voice of Russia for broadcasting on the medium-wave frequencies 1116 kHz and 1386 kHz with a maximum transmitter power of 2.5 Megawatts. An SV4+4 ARRT-Antenna with eight guyed masts was installed. The masts built in 1974 are 257 meters (843 feet) tall.

On November 1, 2007, Russia ceased using the frequency of 1386 kHz.

• List of famous transmission sites
• List of tallest structures in the former Soviet Union

• http://vcfm.ru/vc/Cities/kaliningrad.htm
• http://www.radioscanner.ru/forum/index.php?action=vthread&forum=5&topic=19657

54°54′11″N 21°41′46″E / 54.903°N 21.696°E / 54.903; 21.696