Network of the shortwave FH radio is significant in the military communication, also the applications of network can improve the anti-jamming capability of the shortwave FH radio.

短波跳频电台组网在军事通信中占有重要地位，组网应用可以提高跳频电台的抗干扰性能。

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Shortwave jamming is less frequent, it says, although it has hit transmissions by BBC Persian in Iran and was historically used to block broadcasts during the Cold War.

BBC: World Service shortwave radio blocked in China