[GreenKeys] Re: Fw: Teletypewriters, part 2

[Don Robert House]

Phil,
I think all of these messages are archived on the Greenkeys server.
Don

>
>
>Don
>
>These are great memories and hopefully they are documented .
>I worked on an 8A1 at a car dealer or again a trucking company.
>Amazing stuff
>
>Phil
>
>Jim,
>Some of the NADCOMM folks are not members of GREENKEYS.
>Thanks for reminding me about the SOTUS. We also had a system at the
>Williams Brothers Pipeline called SCATS the machines used rotary
>dials. I think it was Selective Calling Automated Teletype System.
>The last I recall of the Teletype electronic selective calling or
>STUNTRONICS. I also remember some other systems like the 8A1 and 8B1.
>
>Don
>
>
>
>At 5:17 PM -0600 11/01/2003, jhaynes@alumni.uark.edu wrote:
>>I'm not sure why this is going to a select list rather than on greenkeys,
>>but I'm glad to be getting it. As some of you may know my "area of
>>research" is electromechanical switching systems. Some of what is coming
>>across is new material to me.
>>
>>For the 81D1 and earlier systems the station selector was the SOTUS -
>>sequentially operated teletypewriter universal selector. This was a
>>machine that could detect individual characters or sequences of characters
>>and close a contact.
>>
>>For later systems I assume the Model 28 stunt box was used, since it had
>>all the capabilities of the SOTUS built into the printer. There
>>was a Model 28 replacement for the SOTUS, called the Model 28 sequential
>>selector. It was basically a typing unit with the front plate mechanism
>>removed.
>>
>>I heard some customers objected to using the Model 28/35 stuntbox for
>>station selection. They didn't like the printer sitting there making
>>noise but not printing anything. This didn't seem to bother the F.A.A.,
>>who were one of the first big customers for Model 28 selective calling.
>>
>>
>>
>>--
>>
>>jhaynes at alumni dot uark dot edu
>
>
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