Complex sentence: While it is a public channel, it also acts as a backbone for the other regional channels around New Zealand allowing them up upload and down load programming to supplement local schedules, Italso provides an opportunity for those channels to rebroadcast their programmes.
Split into simpler sentences: While it is a public channel, it also acts as a backbone for the other regional channels around New Zealand allowing them up upload and down load programming to supplement local schedules. It also provides an opportunity for those channels to rebroadcast their programmes.