This is a BETA!
If you now go to the Freeview transmitter prediction page and have not yet set a postcode, if you have a suitable browser and mobile device, your location will be automatically shown.
If you have set a postcode and want to use the autolocation, clear here to clear now to try the autolocator.
Please let me know how you get on. I have tried it on my Android handset and it works.
You will see a message asking for permission to be given before the location is provided.