ADS-B

I have searched this forum for "ADS-B", "uAvionix", "Skybeacon", & "Tailbeacon" without finding what I'm looking for:

Has anyone here used the uAvionix tailBeacon on their -7 for ADS-B compliance? If so, was it necessary to re-balance the rudder?

Thanks.

Recent thread discussing just that:

http://www.vansairforce.com/community/showthread.php?t=169811