In addition to
here’s a rough mock-up of a potential TVNZ/RNZ mega broadcaster logo palette…
I ran with TVNZ’s imagery because I think they’re stronger visually than RNZ’s and less likely to alienate viewers on TV… The radio offerings would take on the Te Reo flavour too, with Concert becoming Waiata, and less Classic-focussed to grow a bigger audience (as well as taking parliamentary broadcasts, I guess), and the youth station would be called Hou, which means new.