In DVB - T format it is the only TV station in HD for most of the day .
They also broadcast in a sub-channel two hours behind programming from the main channel ( DVB - T only ) , being the first TV station to have this service .
In DVB - T format it is the only TV station in HD for most of the day and they also broadcast in a sub-channel two hours behind programming from the main channel ( DVB - T only ) , being the first TV station to have this service .