Regenerative radio "Blizzard".
Receiving and transmitting radio equipment.The "Blizzard" regenerative radio has been produced since 1936. Designed for submarines and auxiliary vessels. Used until 1943. The receiving range is from 12 KHz to 1.5 MHz, divided into 8 sub-bands. SB-147 series lamps. The TLF or TLG mode depended on the regeneration threshold. There is no other information on the receiver.