Broadband services sent over existing power lines emit radio freq...
Broadband services sent over existing power lines emit radio frequencies that could “adversely affect” military radio and intelligence communications in NATO countries, a NATO study found. That’s because existing power lines were not designed for broadband, NATO said. Seizing…
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on the report, the American Radio Relay League said this finding “pretty much echoes the ARRL’s pleading during the BPL rulemaking.” ARRL is fighting a 40-dB extrapolation factor recommended by the FCC, said ARRL Laboratory Manager Ed Hare. Previously, lack of scientific models prevented precise gauging of BPL and DSL emissions, but now models, methods and tools are emerging, the report said. Noting the lack of commonly accepted regulatory limits on BPL emissions, the report called it “highly desirable” to align such limits region-wide. NATO, which has no regulatory power, should help harmonize limits by working with national and international regulatory bodies, the report said.