TechHackadayabout 14 hours ago
A Peek inside the Secret Lagercrantz Suitcase Radio
1 min read
Helge Fykse showcased a portable Swedish spy radio built into a suitcase. The radio uses a large crystal for transmit frequency, a key for Morse code, and a regenerative receiver with a VFO. It contains five tubes, a battery, and storage for spare tubes for field maintenance.
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