Home Networking

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ISP Said there was signal coming from my house (alien.top)

submitted 10 months ago by [email protected] to c/[email protected]

12 comments fedilink hide all child comments

My ISP is cable. Called and said they needed in my house to find the source of the signal that was affecting everyone else in my neighborhood. Literally nothing had changed and my house has been connected since 2010.

The tech arrived and I had them start outside. He replaced every connection/coupling and kept testing. After all of them were replaced, his testing machine showed a perfect signal. Noise eliminated. I was not charged for this service.

I found this baffling. My neighbor’s coax connections affect me?

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[–] [email protected] 0 points 10 months ago (1 children)

This is 90% of my job every day. Something in your house is acting like an antenna and interfering with the return path. Most of the time it’s a loose connector behind the modem but any bad connection can cause it. I usually track the noise to a house and use a filter at the tap that blocks the noise and leaves the sub online, then create a job to get an tech in the house

[–] [email protected] 1 points 10 months ago

Can confirm this, former signal engineer for the first cable internet provider and a ham. Bad connections, unmatched RG-8, and trashed filters were the bane of my existence. That and crappy installers. Thank the deities for QoS.