This is my first post and I have read many of the problems with fluorescents and radio interference.I have mounted 3 Home Depot Hi Bays (6 T8s each) that are piped in and will be ready to turn on by tomorrow.I also have 2 Home Depot 4'T8s (2 tubes each) in and working now.I have a Sony 200w Reciever in my shop that has a omni directional FM antenna mounted in the attic.This radio always kicked a$$ with great reception.These are marked as commercial lights with RFI filtering,thats why I decided on them.Guess what? I have the infamous hissing now on the radio.I went to home depot tonight and told them how I'm pi$$ed off and was told to call Lithonia tomorrow and tell them about the RFI problem.I,ve spent close to 3 hundred dollars on these lights and get the impression that Home Depot is going to give me the run around.I,m sure its the ballast and if I can't get any satisfaction from Lithonia or Home Depot,does anyone know what would be a good replacement ballast to use or if there is a filter I can put on the reciever to stop the noise?Iknow this is long winded,sorry about that.I'm just frustated.Thanks in advance,this is a awesome site.