sdr radio

I have installed this, it has a nice web interface. Installing it was very easy. I followed these instructions Flight Tracking Sharing Client | Information | Plane Finder They have a pdf for the pi install...

windows download http://rtlsdr.org/files/kalibrate-win-release.zip unzip, rename to: kalibrate, and move the folder to your c drive. enter the kalibrate folder. and copy the files from the sub directory,to the parent directory. run cmd from the start bar. paste this line in to cmd...

I want to use my raspberry pi as an ascars decoder. Can anyone help me please with a step by step guide I really want to run the ascarsdeco2 prog, and I have that running in windows, but I am looking to expand my system and coverage. Any help please. Thanks.