OK, Engineering Types: Explain This Again

[Scott Fybush]

Laurence Glavin wrote:
> So I have this question 
> for the engineering types...explain to me again how after TV stations have turned OFF their analog 
> transmitters, they can still be identified as being on those channels even though people 
> using over-the-air TVs will be getting them on the permanent DTV assignments? 

Because you're supposed to do what those 16 zillion PSAs running every 
20 seconds are telling you to do: rescan your converter box. (And then 
do it again after June 12.)

That will cause your box to do what it's supposed to do and remap the 
DTV channels.

s