If you have a TV that does not support digital signals (basically any TV purchased before January 2007) you'll need a converter box.  The process is very simple:

1. Apply for $40 rebate coupon at:

https://www.dtv2009.gov/ApplyCoupon.aspx


2. Check the type & size of antenna you need:

http://www.antennaweb.org/aw/Address.aspx

3. Purchase box (and antenna)

http://astore.amazon.com/yeomtechgrou-20

4. Install both.  Tips on install:

http://www.digitaltips.org/docs/converterQSG.pdf

You're ready to go!