The requirement to have ADS-B Out installed by 2020 feels like it's right around the corner, and many GA aircraft have already been outfitted. Those pilots are already enjoying the benefits of Free weather and traffic. Yet for those that haven't gotten there yet, the field of vendors and equipment to chose from can sometimes feel daunting. Just when you think you've made up your mind what you can (and are allowed to) install in your plane to be compliant, another new product shows up on the market place. And if that weren't enough, just getting your head around all the new acronyms can make your head spin. In this informative video, produced by Sporty's, John Zimmerman explains the technology and unravels some of the confusion surrounding ADS-B.