1.   And HGTV is developing another digital channel, called HGTV Professional, for builders, contractors, plumbers, landscapers and the like.

2.   At some ill-defined point, broadcasting executives say they would give back their existing channels and carry out all their programming over digital channels.

3.   Backers of the plan to charge for the digital channels include Senate Majority Leader Bob Dole of Kansas and Republican Sen. John McCain of Arizona.

4.   Before then, while analog broadcasts continue, it will be up to the cable operator to decide if it wants to add the digital channel.

5.   A key congressional backer of a plan to auction new digital channels to broadcasters is rethinking his position on the issue, Senate staffers said.

6.   Broadcasters could also use part of the digital channels to offer telephone or paging services, or subscription-based TV services, similar to pay-per-view or cable TV.

7.   But after a period of years, the government wants to take one of these channels back, leaving only the digital channels on the air.

8.   But the ruling said nothing about the new digital channels.

9.   Cable operators, too, are planning to introduce digital channels.

10.   Digital TV lets broadcasters send eight digital channels via a satellite transponder that earlier carried only one.