The share of the UK's 238,895 Census Output Areas where this mast is the strongest signal of its kind. Not the share it reaches at all — most places can receive several transmitters, and only one of them can be the best.
Band
Best signal in
FM radio
0.01% of UK Output Areas
a relay, serving a local area
On the map
Where Coles Hill is the strongest signal for FM radio.
FM radio
FM services. ERP is published separately per polarisation; a dash means nothing is radiated in that plane.