Also perplexing is that fact that these two stations have transmission towers in virtually the same location (Walnut Grove, CA) and have very similar power (33kW versus 28.6kW, respectively) and yet I'm receiving all KXTV subchannels with crystal clarity via my HDHR3-US while that same HDHR3-US ...

Looks like
KCNZ-CD (RF 21) is hosting KOFY-DT's Estrella on RF 21.7, Virtual 20.1 at 720p from Mount San Bruno
KCNS (RF 32) is hosting KEMO's Estrella on RF 32.9, Virtual 20.1 at 480i(widescreen) from Mount Sutro

live TV viewers but occasionally need to record the game because real life got in the way of watching sports.


Thanks, This is a nice feature to preview your DVR recording capability.

I have a couple questions.

I start watching a channel Live some minutes before a game starts airing and am now ...

It should contain as many as necessary.
http://wiki.xmltv.org/index.php/XMLTVFormat