Previously, Triangle has broadcast across Auckland on analogue UHF (before December 2013 ASO) via a government-owned UHF channel reserved for non-commercial regional television from transmitters at Waiatarua, Pinehill and Remuera.
Prior to December 2013, when ASO was implemented, Triangle broadcast throughout Auckland on an analogue UHF channel owned by the government, specifically designated for non-commercial regional television. This transmission originated from transmitters situated in Waiatarua, Pinehill, and Remuera.