A proper high gain aerial would be much better , and not TOO expensive. Also , depending on how far you sit from the TV , in my view 50” is a bit large. Our son in law bought a 55” one and moved to a home with a small lounge. He finds it a bit too big. We’ve just bought a 42” for a large bedroom and it’s fine. Do consider makes - some have more catch up services than others. Samsung is our favourite at the mo. The one we bought had a free soundbar which I updated for £50.
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