Yet another alignment,
The receiver is drifting quite a bit, so the 'window' has been widened to 550 Hz, at least some signals are visible.
Further improvements to the grabber will happen later.
Can you ID this Receiver? Grayson Finds a Homebrew Receiver in Germany. From the GDR. Circuit? Schematic? Thermatrons?
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*Grayson Evans KJ7UM (the author of Hollow State Design) was recently in
Germany where he spotted this museum display of a homebrew receiver built
in ...
2 hours ago
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