[GreenKeys] 1953 airborne RTTY unit

COURYHOUSE at aol.com COURYHOUSE at aol.com
Sun Oct 4 23:00:37 EDT 2015


http://www.smecc.org/teletype_model_31.htm
 
Ed's SMECC Model 31  site  with the help of  my   friends here  at  
Greenkeys
If any one has other  data   Books photos  ship them to me in paper or  
file an I will add
 
I have a black  model 31 too  no L6 no dynamotor but no  lights on the 
front and no mill connecter but black and looks like new   used to belong to Mr 
Sheets and I got it via  George.
 
We have green 31's  that fold up as a portable case... well... see  them 
all that the smecc page!
 
http://www.smecc.org/teletype_model_31.htm
 
I love model 31's  I would love to find spare parts!!!!
 
 
Ed#  _www.smecc.org_ (http://www.smecc.org) 
 
 
 
 
In a message dated 10/4/2015 6:51:00 P.M. US Mountain Standard Time,  
duncanancy at earthlink.net writes:

Nick,

Thanks for finding that & putting it on  line!  I always wondered if the 
Navy bought any Kleinschmidt  equipment.  Now I know that they must have 
bought at least  one!

73 & have fun

Duncan
K2OEQ

On 04-Oct-15  21:01, Nick England wrote:
> Here's an interesting manual I recently got  via eBay -
>  http://www.navy-radio.com/rtty/conv/ug-xa4-u.pdf
>
> This is a  modified Navy CV-57/URR (normally 455kc IF input) receiving
> converter  modified to 300kc input to work with AN/ARC-21 or
>  R-224/ARR-36.
>
> The modification also adds a RTTY keyer on the  rear of the CV-57 for
> output to the ARC-21 transmitter. It outputs  100kc with 425 cps shift
> but I assume there is a doubler in the ARC-21  somewheres for 850
> shift.
>
> Accompanying equipment in  the complete system comprises
> TT-4A/TG(XC-5) modified  teletypewriter
> AN/ARC-21 receiver-transmitter
> R-224/ARR-36  auxiliary receiver
>
> Dunno what this was used for - (XA-4)  implies one of several 
prototypes.....
>
> Nick England  K4NYW
> www.navy-radio.com
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