Ofcom is the official regulator of communications in the UK. They regulate the TV and radio sectors, fixed line telecoms, mobiles, postal services, plus the airwaves over which wireless devices operate
On a hill six kilometers south of Aber is Blaenplwyf transmitter which provides most of the wireless communications infrastructure for the area. The site is run by Arqiva and also provides the main TV and radio feeds into the area.
If you're missing some television channels during or since the digital switchover and your have broadband internet the some of the shows can be found there