Gang,

With the great internet rtty feeds that are becoming available, re-newed interest in mechanical printers, and Eric Volpe's permission, I have made his RTTY PLL Demodulator pcb available again. I retained his component designations and board size so his original documentation can be used. I added a couple of features that do not degrade from his original design and reflect the common components I was able to find easily. Hopefully this will result in the dusting off the old Model 15 in your garage. The cost of the board is free, and the new layout can be found on the qrpbuilder.com site at:

https://qrpbuilder.com/volpe-rtty-demodulator-revisited

73, Ken - wa4mnt

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