I live in Shrewsbury, MA. Recently, channel 6 started having problems
with TVI. The signal is cw, but it's very fast and appears to be only
number strings. I seem to remember hearing something a long time ago
about stations sending only number strings, but I can't pin it down.
Anybody have any ideas?

I looked up the frequency for cable channel 6 and started at ham
frequencies that could multiply up to that but didn't find anything that
sounded like that signal.

Thanks.

Dave Reinhart