Couldn't find any in the catalog so why not.
What pokemon are you currently chaining? I'm going for a Haunter/Goomy.
Where can I find the Pokeradar?
>You can find the Pokeradar post E4 in Sycamore's lab on the second floor. Why use it?
Basically it effectively can reduce your chances to finding a shiny in the wild down to 1/200 instead of the usual 1/8000+ in previous games.
>Video Guide: http://www.youtube.com/watch?v=dkeKPlBYYbs