[GreenKeys] LRXD photo? illustration?

Nick England navy.radio at gmail.com
Sun Dec 22 18:01:18 EST 2019


Thanks to info from Jim Haynes and investigative work by John Koster, we
tracked this down to the Bell 28F Reperforator-Transmitter. Evidently
"LRXD" was only used internally/informally at Teletype Corp.
Then lo and behold, Greenkeyer Tim Swarthout recalled he had a photo of one
in a 1972 RTTY Journal article that he wrote. You can see the article and
Tim's LRXD at the bottom of this page -
http://www.navy-radio.com/tty/28rt.htm

For anyone wondering just what an RT is, it is a FIFO with paper tape as
the buffer memory. That page has more info and a video.

Cheers,
Nick England K4NYW
www.navy-radio.com


On Fri, Dec 20, 2019 at 6:43 PM Nick England <navy.radio at gmail.com> wrote:

> Jim recently mentioned the LRXD, a M28 version of the FRXD
> reperforator-transmitter. Has anyone got a photo or illustration?
> Just curious....
> Nick England K4NYW
> www.navy-radio.com
>
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