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Saturday, December 17, 2011

"The Little Sweetheart" Receiver

Wow, what a beautiful piece of work! And a fascinating story behind it, with hints of wartime romance... Thanks to Mike AA1TJ whose very eclectic reading (Czech tech mags!) led us to this. Thanks also the Crypto Museum. Here is the link:

With more info here:
And here:

Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" coffee mugs, T-Shirts, bumper stickers: Book Store:


  1. I love these little clandestine radios - ingenious solutions in a neat little package.

    Would love to see some kits based on the Sweetheart & the other radios like the postwar German FE-8 Receiver and the FS-7 Transmitter.

  2. 1T4s are in stock at $2.80 at Antique Electronic supply...They have 100 pf variables too.


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