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The latest survey was conducted by GfK for Commercial Radio Australia.
The results make Jonesy & Amanda Sydney's highest rating FM breakfast show, beaten only by 2GB's The Alan Jones Breakfast Show on the AM radio.
The last time Kyle & Jackie O slipped from its reigning spot in Sydney's FM breakfast radio market was in September 2015, when Jonesy & Amanda hit number one in Sydney.
The Australian Radio Network is yet to respond to the news.
