Most people aren't about to whip up on the roof and have a quick look,to seee the state of their aerial.Its usually after a period of high wind that your aerials precarious state makes its self known.
The obvious thing is your tv picture starts to break up,so you investigate and find your aerial is laying on the roof or laying on the floor.
So we have launched the aerial inspection service.
Two types one from ground level using binoculars,or the other from going up and inspecting the aerial and its brackets.
The motto is don't lose your TV aerial,for the sake of a quick inspection