Cymorth a chyngor gyda'ch gwasanaethau Teledu, radio a fideo ar-alwad.
There are strict rules about what can be shown on TV before the 9pm watershed. But what exactly is the watershed and how does it work?
Ofcom’s Broadcasting Code governs what can be aired on TV and radio
Community radio stations typically cover a small geographical area with a coverage radius of up to 5km and run on a not-for-profit basis.
A guide to how Ofcom's rules and regulations apply to video on demand and tv catch-up services