Radio receiver for the Navy `` Thunderstorm ''.
Receiving and transmitting radio equipment.The radio receiver for the Navy "Groza" has been produced in a small series since 1938. The receiver is intended for radio equipment of submarines and warships. The receiving range is from 12 KHz to 1.5 MHz, divided into 7 sub-bands. Superheterodyne with one conversion. 12 metal radio tubes. TLF, TLG. The average sensitivity is 10 µV in TLF and 5 µV in TLG. Unfortunately, there is no photo or picture of the radio.