google it or
try this:
http://www.freeantennas.com/projects/template/index.html
http://www.cantenna.com/
http://www.turnpoint.net/wireless/cantennahowto.html
As for antenna booster, look for something this..
http://www.radiolabs.com/
it's a bit of a hardware problems but does anyone here know how to enhance my built in antenna reception signal?
just by 10 to 20% is good enough....

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic