Deisz.com

Here is a list of the broadcasting digital television stations you can receive in the Portland, OR and Vancouver, WA television viewing area.

2.1 – KATU (ABC)
2.2 – This TV
6.1 – KOIN (CBS)
8.1 – KGW (NBC)
8.2 – KGW Weather Channel
10.1 -KOPB (PBS/OPB HD)
10.2 – OPB – Oregon Public Broadcasting
10.3 – OPB Plus
10.4 – OPB Radio
12.1 – KPTV (FOX)
16.1 – KORS (Home Shopping Network)
16.2 -Bohemia Visual Music
16.3 – America One
16.4 – Jewelry Channel
22.1 – KPXG (ion)
22.2 – Qubo
22.3 – Ion Life
22.4 – Worship
24.1 – KNMT (PBS)
24.2 – The Church Channel
24.3 – JCTV
24.4 – Enlace TBN
24.5 – Smile of a Child
32.1 -KRCW (CW)
32.2 – Universal Sports
49.1 – KPDX (My Network TV)

26 total digital channels, last updated March 27, 2009.

When setting up you TV, this site will help you out in pointing your antenna and what station you should see.
http://www.antennaweb.org/aw/welcome.aspx