My 6A has developed a radio problem in the last few days. I have an SL30 comm radio and a Pm3000 intercom. On startup I am getting static on the headphones and it is also being broadcast on the comm radio. The transmit light flickers when this is going on. It seems to clear up after 5-10 minutes and does not reoccur until the next flight. I am not a radio expert and need to call on those of you who are. Randy