First I'd like to say thank you to everyone who made this posible.
This was easy to do. Simply follow these two links and you too can have a fully operational KPDX with ORBX PNW.
http://www.myflightsimblog.com/MyFlightSimBlog/KPDX.html
You need Google Translate
http://translate.google.com/translate?hl=en&sl=auto&tl=en&u=http%3A%2F%2Fwww.pilote-virtuel.com%2Fviewtopic.php%3Fpid%3D437165