Periodic noise

My wife signed us up for Verizon Fios.  At one point, the Fios was going down with regularity, until I finally investigated our circuit breaker box, where they had installed an AC outlet to power their system, which is a simple plug-in.  It was easy to demonstrate that power to the plug was intermittent, by simply wiggling the plug, causing our problem with lost service.  When I opened the housing for the new AC outlet their tech had installed, I found that the wires were nearly floating free in the box, just barely in contact with the outlet, because of sloppy attention to detail.  At least it was easy to fix.  Then I noticed that the Verizon crew had tapped into my dedicated AC lines to power the new outlet they installed for Fios, thus assuring that my audio AC was constantly polluted with digital garbage. You've gotta keep an eye on these installers.

The solution so far - the installer moved the box out of the room with the stereo system, and up to the second floor of the house. Now the noise was gone. It comes from the GSM chip in the controller box (made by Honeywell) he told me.

As has been said before:  Almarg for President.

I no longer hear the 8-minute bursts of noise, since the alarm control box is further away from the system. Now it is close to our bedrooms. And I wonder, how healthy is this, with such strong bursts? The installer did know about the problem, but they did not announce it (of course). When I asked for a better shielded control box he just looked at me. Then I asked, well, since the noise is produced by the wireless part of the box, can we have the alarm system wired, then? He answered: we don't do wired installations anymore.