Washed the plane a couple weekends ago. A few days later, ATC told me that my transmission was very crackly and staticky. Seems to me that maybe some soap and/or water got under the antenna seal and is interfering with the ground plane. Does that sound reasonable? Probably not a bad idea to take the antennas off and clean them and the ground plane up a bit. Cheap first step, I suppose. And then sillycone up the base.