Currently, four standard definition channels are being provided by the station.
It has been announced as the UK's first full-time high definition channel from a terrestrial broadcaster.
The new system features two standard definition digital channels.
One station can carry four or more standard definition digital channels.
The carrier continues to add standard and high definition channels to its lineup as they become available.
The standard definition channels continued to broadcast a full schedule from 8 am - 2am.
May 29, 2013: 90+ high definition channels are launched including various locals and speciality channels.
From 2009, commercial broadcasters were allowed to transmit an alternate standard definition channel.
Three metropolitan networks once provided video program guide datacast channels in addition to their standard and high definition channels.
Both stations' signals are multiplexed, each broadcasting one high-definition channel, and several standard definition channels.
