Thanks for your response Ernie. Unfortunately, I'm not using the FM transmitter in my Sirius radio - I'm using the audio output from the home docking station directly into my Elan home sound system. I do have a correction to my original post though. I am getting the noise through the audio...
I have a vexing problem with my Sirius radio sound quality that's driving me nuts! Any ideas for fixing the problem would be greatly appreciated. I use an Audiovox plug n play unit in a home docking unit that I connected to my Elan home sound system. The problem is a terrible crackling noise...