Tony hit the nail right on. I call the project my "Crystal Box" as it allow a choice of 24 channels all of which can be reprogrammed at will. The "Box" and its small RF amplifier can drive the socks off of a crystal controlled transmitter. Just plug it into the crystal socket. Lots of info on the Prog as well as contributions by Tony and Ron can be found:

http://k4che.com/Progrock2/progrock2.htm

On 2/22/2026 4:43 PM, Anthony Clare wrote:

It is a channelized signal gen made with a Progrock 2 and what looks like a broadband amplifier.

Powered by a 9 volt battery, which is not currently installed.
Another project.
Z

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