On 01/11/2020 11:02, Andy Burns wrote:

I think he means that the new family are in-between Tim and the mast,
and he wonders if they're "sucking up" all the signal, leaving none for
him?


That'll be it! Tenants in buildings served by communal TV systems often
talk of the 'sucking up all the signal' problem. It seems to be a major
problem.

Bill