[mythtv-users] how to switch a channel to a different frequency?

[Michael T. Dean]

On 05/13/2013 09:27 PM, Marco Nelissen wrote:
> In the SF Bay Area, KTVU HD transmits on both 44.3 and 48.3 (44.3 from 
> Sutro and 48.3 from Monument Peak, 
> per http://www.choisser.com/sfonair.html)
>
> I recently discovered that I get pretty bad reception from 44.3 for 
> this channel (even though my antenna is pointed at Sutro and other 
> channels are OK), making The Simpsons unwatchable. 48.3 is much 
> better, so I want to make mythtv use that. I went into mythtv-setup 
> and did a channel scan to add the other channel, then deleted the old 
> one. Then I went to schedulesdirect, disabled the old channel and 
> enabled the new one, and ran mythfilldatabase.
>
> The problem is that now when I look at the guide in mythtv, "KTVU-HD" 
> shows up with "Unknown (Unknown)" programming. I've tried changing the 
> xmltvid to both the old and the new one in mythtv-setup, but I just 
> can seem to actually have mythtv pick up the guide data for this channel.
> Anyone using KTVU on channel 48.3 in the SF Bay Area care to share 
> their setup?

Are you sure it's not got any data--or is it only getting data for some 
days?

mythfilldatabase --dd-grab-all

See
http://www.gossamer-threads.com/lists/mythtv/users/449426#449426
and
http://www.gossamer-threads.com/lists/mythtv/commits/449416#449416

Mike