I read your original post again and I see the TV mount.
We took ours off and gave it away.
We put two sort of hook brackets on the back of the TV and we hang the TV from any cabinet. Left cabinet over the bed, Right cabinet over the bed or the cabinet over the front window.
We just put the TV face down on the bed when travelling.
The TV is a 19 incher.
Only once did we find that we were close enough to civilization to get any signal on the antenna. We use one of those android boxes to play downloaded movies.
Another must have is the solar panel for us.