[GreenKeys] Baudot ASCII conversion table

[John Nagle]

On 03/12/2014 09:00 AM, greenkeys-request at mailman.qth.net wrote:
> Message: 2
> Date: Tue, 11 Mar 2014 11:47:19 -0700 (PDT)
> From: Doug<kolchak1 at yahoo.com>
> To:greenkeys at mailman.qth.net
> Subject: [GreenKeys] Baudot ASCII conversion table
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> 	<1394563639.82008.YahooMailBasic at web120701.mail.ne1.yahoo.com>
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> Regarding the recent posts on USB-serial adapters, and conversion from ASCII to Baudot, I have made a custom table, for converting between
> ASCII and Baudot.  No tables I found listed Baudot Letters and Figures, along with ASCII values.  If you are making a conversion program, it will
> save you a little trouble.  The left table lists the first 32 ASCII characters, which are the non-printable characters, also called printer control codes.
> They are of course the Baudot code.  The table lists binary, decimal, Baudot Letter, US Figures and CCITT Figures.  The right table lists the entire
> 128 value ASCII set.  Both tables also list hex and octal values.  As you can see, the first 32 entries of the right table make no mention of Baudot
> characters, referring to them as control codes instead.  The tables are different in size, I tried re-sizing them, to make them the same height, but it
> made them difficult to read.
>
> I?ve posted the photo on my Teletype FLICKR page.  Just click on the ASCII Baudot table photo set.
>
> http://www.flickr.com/photos/14994379@N08/sets/

    Here are the character set tables from the relevant Teletype bulletins:

	http://www.aetherltd.com/ttyfonts.html

As late as 1956, Western Union was still struggling to get all
their machines on the same character set:

http://massis.lcs.mit.edu/archives/technical/western-union-tech-review/10-1/p039.htm

				John Nagle