High Frequency ocean Radar (HFR) systems are cost-efficient tools to monitor coastal regions at a range of up to 200 km or more , with potential to monitor coastal regions all over the world.9 Nis 2020
Read moreWho invented high frequency radar?
The system was initially developed by Robert Watson-Watt starting in 1926, as a system for locating lightning. Its role in intelligence was not developed until the late 1930s. In the early war period, HF/DF units were in very high demand, and there was considerable inter-service rivalry involved in their distribution.
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