Complex sentence: He joined the BBC as an anchorman and reporter, presenting anew Newcastle upon Tyne based-show called "Home at Six", soon renamed "North at Six" and then in 1963 becoming BBC Look North (North East and Cumbria).
Split into simpler sentences: He joined the BBC as an anchorman and reporter, presenting the new Newcastle upon Tyne based Home at Six. It was known by this title very briefly before changing to North at Six and then in 1963 changing to BBC Look North (North East and Cumbria).