[GreenKeys] Frederick Electronics code converter

[Pete Lancashire]

Love to see some pictures, and a couple of a board.

I once needed 2N404A's for a project and over the years collected a few
boards.

On Fri, Feb 12, 2016 at 11:07 AM, Jack <wa2hwj at att.net> wrote:

> This gadget was described in September 1965 QST on page 105. The
>
> ARRL used one for their CW bulletin transmissions.
>
> I think there was a manual on Ebay not too long ago.
>
>
>
> Jack K2TTY
>
>
>
>
>
>
>
> *From:* GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] *On Behalf
> Of *Nick England
> *Sent:* Friday, February 12, 2016 12:19 PM
> *To:* Greenkeys <greenkeys at mailman.qth.net>
> *Subject:* [GreenKeys] Frederick Electronics code converter
>
>
>
> Thanks to Larry K7KSW I have recently acquired a Frederick 660A
> Baudot-to-Morse Code Converter. Now I desperately need a manual or to
> contact someone who also has a 660A.
>
> Mine is missing 2 PC boards, which I am can replicate if I can find a
> schematic or boards to copy. If you ever come across any 4.5"x14" boards
> full of 2N404 transistors and labeled N0133 or N0145, please grab 'em for
> me!
>
> Photos of the unit and other PC boards is at
> http://www.navy-radio.com/morse.htm#660a
>
> I have all the code converter boards which provide a diode logic
> conversion from baudot to morse. It also looks like I have the boards for
> input and output relay control - I'm guessing the two missing boards
> provide some shift register logic, handle LTRS-FIGS shift, convert CR/LF to
> BT, etc.
>
>
>
> And thanks to Jim N4BE I have added several more Frederick manuals at
> http://www.navy-radio.com/manuals/tty/frederick.htm
>
> Cheers,
>
> Nick England K4NYW
>
> www.navy-radio.com
>
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