On Tue, 13 Nov 07, "BillP" wrote:
There is no combining of channels and your standard def TV can only
display 480 lines

Phantman:
Why do they always transmit their Hi Def programs on two channels?

On Wed, 14 Nov 07, "BillP" wrote:
Which PBS is your local?

Mississippi Public Broadcasting, WMAH Channel 19 in Biloxi