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Hello. I own a Yaesu FRG 7 receiver and have read that it's possible to add a digital frequency readout.

Can anyone tell me if there is a kit available for purchase which I can then build and fit, including all components and instructions. Or, if not, what parts are required, where to buy them, and where to get construction and fitting details.

I am able to build electronics kits no problem, and own a soldering iron, multimeter, etc. but do not have more sophisticated equipment such as a signal generator, oscilloscope etc, so if these would be required I may as well give up before I begin.

I would ideally have liked to build the display into a separate case which can sit on the receiver top, connected by means of a cable perhaps to a socket on the rear of the receiver. Would this be a possiblity, or would any circuitry have to be contained within the existing cabinet?

Any advice welcome.