[GreenKeys] (no subject)

[Duncan M. Brown]

Dave, 

The code for "R" is 01010 and for "Y" is 10101, so all the selector
mechanism parts have to switch positions between each letter.  Is is a good
test of the mechanisms.


(I used to copy WBR-70 back in the 1960s - 70s. I think they were on 8130
KCS.)

Duncan Brown, K2OEQ
USASA  31J

Chief TTY operator & repairman
AWA Electronic Communication Museum
http://www.antiquewireless.org/
http://www.antiquewireless.org/museum/museum.htm



> [Original Message]
> From: David Kirk <david at kirk.net>
> To: <greenkeys at mailman.qth.net>
> Date: 29-Sep-10 20:42:12
> Subject: Re: [GreenKeys] (no subject)
>
>   I seem to remember "R" and "Y" was used as a test pattern as it was 
> some sort of extreme for the teletype to print, is that correct? What 
> about "NNNN", what is the significance there? Just jarring old synapses 
> in the brain, this stuff is familiar just can't put my finger on it....
>
>