Jindalee OTH-B radar

The Australian Jindalee system is the only Western over-the-horizon-backscatter (OTH-B) radar to have been developed outside of the United States. The Jindalee operational radar network (JORN) consists of three OTH-B systems and forms part of a layered surveillance network for Australia's north and northwestern approaches.

The system transmits in the HF range and provides target detection of both aircraft and ships over a range of 620 mi to 1,860 mi (1,000 km to 3,000 km) with...