ARLA/CLUSTER: Poluição em RF gerada pelas lâmpadas de Led´s

[João Costa > CT1FBF]

Polluting LED Street Lights

In the USA, the Buck County Courier Times report: Buzz kills the fun
for Bristol Township ham radio operator

The newspaper says one night this spring, the static Charles
Dillenbeck AB3MQ normally heard on different frequencies became much
louder, so loud he could barely hear the people with whom he was
chatting.

A few days later, as Dillenbeck — a Navy veteran and retired
commercial heating and refrigeration engineer — stared out a window in
his home trying to figure out the problem, the street light came on.
Immediately, the static started again. Was it the light, he wondered.

It turns out Bristol Township installed a new LED fixture in the light
in front of his house as part of its plan to replace incandescent
street lights with cost-saving LED bulbs.

"The old lights didn't interfere at all," Dillenbeck said. He talked
with another ham radio enthusiast who lives in the township who also
had the same problem. He used a "noise finder" piece of equipment to
test other street lights. The same static occurred, he said.

The electronics in the new lights appeared to be causing the static.

Read the full story at
http://www.buckscountycouriertimes.com/news/local/buzz-kills-the-fun-for-bristol-township-ham-radio-operator/article_a5e03722-4854-11e6-ba19-3773ecb24e3a.html

Watch the video report at
http://www.buckscountycouriertimes.com/news/local/video-ham-radio-operator-points-to-streetlight-for-interference-in/html_c0478e68-ff49-5caa-b672-0d9651ae8388.html

A recent ARRL report highlights the problem of LED lights and other
electronic equipment creating more radio frequency interference for
the more than 725,000 amateur — or ham — radio operators in the United
States
http://www.arrl.org/news/fcc-s-oet-clarifies-emissions-compliance-testing-for-rf-led-lighting-devices