[Solved] What is this metal contraption (UK)?

This thing has been in my garden since I moved here and it's always just been pushed up against the side of the fence. I want rid of it now but I haven't got a clue what I'm removing. Its about 1 metre away from a telegraph pole. Nothing on the other side of the fence.

When the rod at the top reaches the fence it just goes straight down into the ground. I can rotate it around that point but no matter how much I pull/rotate it, it wont come out.

Another image after rotating it here:

https://i.ibb.co/4pfwV10/Screenshot-20230701-064813-Gallery.jpg

Edit: Solved. It's a turnbuckle previously used to hold up the telegraph pole.