Old TV set interfered with village’s DSL Internet each day for 18 months
A 400-resident village in Wales suffered 18 months of DSL Internet outages each morning until the culprit was identified as electrical interference from an old TV set.
The residents of Aberhosan mysteriously experienced the outages each morning at 7am. Openreach, a BT subsidiary that provides Internet service in the UK, replaced old cables in the village in an attempt to stop the outages.
“Unfortunately, this didn’t resolve the problems and so they began sleuthing for electromagnetic interference with the aid of a spectrum analyzer,” according to an article in ISPreview today. The article has a lengthy quote from Openreach engineer Michael Jones, who said, “Not being able to solve the fault for our customers left us feeling frustrated and downbeat, but we were determined to get to the bottom it.” Jones explained what happened next:
Source : https://arstechnica.com/?p=1708652