In article .com,
Ron wrote:
I know how close captioning is done, but why does some networks (meaning
CBS)has such bad captioning where words are dropped and letters are
replaced by funny symbols?

Think this is Teletext in UK terms.

Classic symptoms of poor signal level or multipath reception. Look for
ghosting or noise on the main picture.

--
*A backward poet writes inverse.*

Dave Plowman London SW
To e-mail, change noise into sound.