You mean sharkfin antenna? No, take a piece of fishing line between two rods or dowels and "saw" at the double sided foam tape used to stick the antenna on. Once you get it off, clean the old adhesive off. Then you'll need to buy some double sided foam tape to remount the antenna. Buy the exterior trim rated one from 3M and trim it to fit the base of your antenna before remounting your antenna. Many people use the blue low tack painters tape to mark the position of the antenna to make sure it goes on straight. SCH-I535
That happened to the Bismark. Then the Brits promptly sent her to the bottom! However not before losing the H.M.S Hood and most of her crew!