Kiwi Quarter Hours: Nielsen subsidiary GfK, which issues three diary-based surveys per year in New Zealand, has released its first since the launch of NZME's iHeartCountry New Zealand (CAT 5/2), covering the period from May 11 to November 1. In Auckland, the country's largest market, the station debuted with a 1.1 share among Persons 10+, ranking it 20th. The station's best demographic was Persons 18-39, in which it ranked 16th with a 1.8 share. In market No. 2, Christchurch, iHeartCountry ranked 13th, debuting with a 1.3 share among Persons 10+. Persons 18-39 was also the best demo there, with a 12th place rank and 2.3 share.