The BBC has condemned jamming of its World Service shortwave radio system in China. The corporation says it's received reports that attacks on shortwave frequencies are "being timed to cause maximum disruption to BBC World Service English broadcasts in China." While it couldn't pinpoint the source, "the extensive and coordinated efforts are indicative of a well-resourced country such as China."The BBC has previously seen its satellite TV signals jammed in places with tightly controlled media. In October, both it and other broadcasters' signals were being cut off within Syria, and Iran has done similar jamming, a practice that violates international broadcasting treaties. Shortwave radio jamming, the BBC says, is less frequent, but... Reported by The Verge 42 minutes ago.