Antenna deicer

Hello:

I currently have wireless broadband at home with a yagi style antenna installed by the local provider. During the winter months we commonly get freezing rain, which knocks out the signal. In the fall I spray the antenna with silicone spray which seems to help. But, is there a good deicer for wireless antennas? I have looked all over and I can't find anything readily available. I would think this would be common but maybe not.

Thank you in advance!

--
Chris