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:
http://www.cryptomuseum.com/spy/sweetheart/index.htm
With more info here:
http://antiqueradios.com/forums/viewtopic.php?t=96007
And here:
http://antiqueradios.com/forums/viewtopic.php?t=96057
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics"http://soldersmoke.com/book.htmOur coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmokeOur Book Store: http://astore.amazon.com/contracross-20
Upcoming HAREC Amateur Radio Licence Exams in Ireland - 11th May 2024
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From the IRTS... "*HAREC Exams on May 11th in Dublin and Tralee, Co. Kerry*
*The IRTS Examinations Board is pleased to announce that it has received
app...
3 hours ago
I love these little clandestine radios - ingenious solutions in a neat little package.
ReplyDeleteWould love to see some kits based on the Sweetheart & the other radios like the postwar German FE-8 Receiver and the FS-7 Transmitter.
1T4s are in stock at $2.80 at Antique Electronic supply...They have 100 pf variables too.
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