Horizon Go users in the Czech Republic will be offered an additional eight channels from October.
At the same time, the service will begin to transmit 11 channels in HD.
Speaking about the change and quoted by Parabola, Jan Kohout, head of marketing at UPC Czech, said that when deciding what to add to the offer the operator chose a mix of the most watched programmes, sports, film and documentary channels.
Overall, Horizon Go users will now be able to watch up to 80 channels.
Horizon Go has over 25,000 users a week who play through a combined total of a quarter of a million programmes.