What will the Boston television frequencies be after February

[Larry Weil]

At 5:37 AM -0800 12/6/08, Maureen Carney wrote:
>
>I seem to remember that when a station in Dallas experimented a 
>digital signal on a low V (IIRC channel 4) it interfered with 
>medical equipment at a nearby hospital.

Why would a digital signal cause interference if an analog signal on 
the same frequency wont?  Or was that not considered in this 
particular test?

-- 
Larry Weil
Lake Wobegone, NH