The expansive surveillance capability of the Jindalee Over-the-horizon Operational Radar Network (JORN) stems in part from the ability to centralise control and co-ordination of remote sensors. The two radar sensors are located at Laverton, Westem Australia and at Longreach, Queensland, while the surveillance co-ordination centre is situated in Adelaide, South Australia.An extensive communications network will be developed to support the radars and their associated frequency management systems. The principle of operation, configuration and the key architecutral components of the Jindalee project are briefly outlined to provide the context of the Surveillance capability.

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