I meant to post more, but didn't have time... I've been experimenting with several different links. Here's one that works, even tho it's meant more for wireless:
http://wireless.tvguide.com/(1cgfve5550f5rm45qyz04e45)/index.aspx
the bit depth needs to be set pretty high-- I used 5. The other problem is that it only gives the schedule for every second hour.
One that I've been experimenting with:
http://tvlistings2.zap2it.com/zipcod...er_id=national
It's not set up for PDA's, so there's alot of scrolling and setting up cookies.