Macquarie Radio Network
is the name of the company that owns and operates 2GB and 2CH in Sydney. It is a publicly listed company, majority owned by adman John Singleton
. The Chief Executive is Angela Clarke
2GB is Sydney's highest ratings radio station (as at Sept 2007), and has high profile presenter Alan Jones as its breakfast announcer. It is a news talk format.
2CH is an older music format targeting listeners 40 years and over.
Macquarie National News is the name of the news service of Macquarie Radio Network.
Historically, the network was much larger.