When you try to climb on radio tower and use the EXIT LADDER option in the middle floors, your character will start falling down and then you're pushed away from the tower and flying several meters away until you fall down and die.
https://d1u5p3l4wpay3k.cloudfront.net/dayz_gamepedia/0/01/Land_Tower_TC1.png?version=c9c4676ab8417b6f55100203d70c765c