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Chappy Happy | Hallicrafters S-38 "Z" Receiver Ham Radio DIY Projects PART4: BFO @chappyhappy3675 | Uploaded 7 years ago | Updated 11 hours ago
Hallicrafters S-38 "Z" Receiver Ham Radio DIY Projects
PART4: Beat Frequency Oscillator (BFO)

Thanks to John Fuhring.
http://www.geojohn.org/Radios/MyRadios/S120/S120.html
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Hallicrafters S-38 "Z" Receiver Ham Radio DIY Projects PART4: BFO @chappyhappy3675