[GreenKeys] WW2 Model 1498 RTTY?

[Duncan Brown]

The Fred Link Model 1498 was a VHF FM radio that became the AN/TRC-1 in 
1943 and was used by the US Army to relay voice & TTY traffic.
See 
https://books.google.com/books?id=yuxmAAAAMAAJ&pg=PA237&lpg=PA237&dq=1498+radio+teletype&source=bl&ots=DYh3-Upipg&sig=ACfU3U2Y6aCst5IQRs5egFBcllfEWL8P0Q&hl=en&sa=X&ved=2ahUKEwjWsMe0-b3gAhWoT98KHZHLBSYQ6AEwG3oECAEQAQ#v=onepage&q=1498%20radio%20teletype&f=false

For TTY service, probably AFSK was fed into the mic input of the TX.

I believe that the AN/AGA-1, of about the same period also used AFSK, 
since they said it would "work with any radio."

There is info on the AN/TRC-1 in NAVSHIPS 94200.1, section 9, so 
apparently the Navy was using it?

Have fun,

Duncan
K2OEQ

On 2/14/2019 17:41, Nick England wrote:
> Came across this photo.
> http://archive.hnsa.org/doc/ecat/cat-0594.htm
>
> The Link Model 1498 is a VHF FM voice set. What was VHF RTTY used for 
> back then?
>
> I wonder if the photo label should have been “radio Telephone” rather 
> than “radio Teletype”.
>
>
> -- 
> Nick England K4NYW
> www.navy-radio.com <http://www.navy-radio.com>
>
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