If you want to check your transmitter as you are unable to view Freeview here's how to fix it.
To find out which transmitter your aerial gets its signals from, visit our Freeview Channel Checker and enter your postcode and house name or number into the boxes provided.
More detailed technical information
For more detailed information you can go to the detailed view, to do this scroll down the list of available channels in the Freeview channel checker page and click the Detailed view button under the channel information:
From here you can see your most likely and alternative transmitters, predicted receptions and distance from your home address.
To find out more, read our guide to transmitters.