[GreenKeys] Teletype and electronics........

[Jim Haynes]

On Tue, 9 Apr 2013, Richard Knoppow wrote:
>   Through some convoluted thought process (I have a lot of them) it occurs 
> to me to ask about the machines used by RCA Communications. RCA used a 
> seven-unit ARQ code called the Moore code (after John B Moore).  Does anyone 
> know if the received code was used directly by the machines or if it was 
> translated to 5-unit Beaudot code?  Did RCA use standard teleprinters or make 
> (or have made) their own?

I don't know the answers to all of that, but I did once see a Teletype
GPE perforator that punched 7-level code and had RCA on the name plate.