[MRCG] Military Code Practice Oscillator

[Dennis DuVall]

New one on me...

Dennis

**************

On Jun 16, 2013, at 9:09 AM, Mark J. Blair wrote:

> Have any of y'all seen a code practice oscillator like this one  
> before? It appears to date from the 1950s.
>
> http://www.nf6x.net/2013/06/code-practice-oscillator/
>
> -- 
> Mark J. Blair, NF6X <nf6x at nf6x.net>
> http://www.nf6x.net/
>
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