1. Australia intends to operate JORN into the 2040s 2. JORN AIR2025 Phase 6 upgrade project will be worth approximately AUD1.2 billion to JORN contractors 3. BAE Systems Australia is acting as JORN prime contractor, but many subcontractors will be involved 4. Subcontractors currently include Daronmont Technologies, Jacobs Australia, MathWorks Australia, Raytheon Australia, Red Hat Asia Pacific, and UGL Description. The JORN (Jindalee Over-the-horizon Radar Network) capability comprises three over-the-horizon (OTH) radars, a JORN Coordination Center at Royal Australian Air Force (RAAF) Edinburgh, and a frequency management system of sounders and transponders located at sites throughout Australia. The strategic OTH radars are designed to provide the Australian mainland with early warning of hostile air and sea movements, particularly from the north, and to provide control of air defenses in that region. The JORN operates in the 5- to 30-MHz (A-band, HF/VHF) range.
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机译：1.澳大利亚打算在2040年代运营JORN。2. JORN AIR2025第六阶段升级项目对JORN承包商的价值约为12亿澳元。3. BAE Systems Australia是JORN的总承包商，但许多分包商都将参与其中。4.分包商目前包括Daronmont Technologies，澳大利亚Jacobs，澳大利亚MathWorks，澳大利亚雷神，红帽亚太和UGL Description。 JORN（金德尔超视距雷达网络）功能包括三个超视距（OTH）雷达，澳大利亚皇家空军（RAAF）爱丁堡的JORN协调中心以及位于探空仪和应答器的频率管理系统整个澳大利亚的网站。战略性OTH雷达旨在为澳大利亚大陆（尤其是北部地区）的敌对空中和海上运动提供预警，并提供对该地区的防空控制。 JORN在5至30MHz（A波段，HF / VHF）范围内工作。
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