QUOTE(John Blue @ May 24 2007, 11:20 PM)
We found the same problem and fixed it. I added a small block of foam rubber to each end of the ant. wings (use some glue). We would hear this sound at times and then it would go away over time only to return. Also look at tip ends and see if each end has the same gap (space from ant. wing tip to top of motorhome). Sometime one end will be higher-up that the other. This foam trick will fix it.
I believe I have found the source of the noise.
My antennae is supported on each end of the wing by two rubber pads cemented to the roof. This allows the body of the antennae to be slightly suspended so that it can bounce up and down on the roof during travel. One of the pads was touching the arm that supports the antennae head. I cut part of that pad away so the arm is not any longer touching and this should allow the antennae cranking mechanism to have a little more downward force to hopefully hold the antennae body against the roof.
During our next trip, I will be able to check this theory out.