Hello, I've noticed that my radio had a lot of static noise while driving in my grande punto 2006. I've checked the radio and everything seems fine but when I removed the aerial base and opened it up it was just a small wire connecting the antenna and "radio cable", I don't think that should be normal or? As far as I know normally there should be some kind of PCB for better signal or does fiat just solder a thin wire into the antenna?