Date   : Tue, 02 Jun 2009 12:04:49 +0100
From   : robert@... (Rob)
Subject: Teletext

On the subject of re-transmiting them, this:
http://www.citifax.co.uk/Product.html  (CTI-1000, scroll down)
looks to be a nice little bit of kit - Download up to 800 pages into
RAM, and it adds them to an existing vidoe feed... Not very cheap
though, at ?370!

Assuming the chips are available to /encode/ the signal, I would think
that it should be straightforward, for someone with the talent, to
design something to do the same sort of job..