Complex sentence: The coverage extends as far south as Chipping Norton in Oxfordshire and as far north as Stoke On Trent, however, there are many relay transmitters around the Midlands that extend the coverage even further.
Split into simpler sentences: The coverage extends as far south as Chipping Norton in Oxfordshire and as far north as Stoke On Trent. However, there are many relay transmitters around the Midlands that extend the coverage even further.