Warpcore schrieb:

Do not know what PLC is,

PowerLine Communications.

but if you infer I am using a home networking
system in the house, nope S !

Just thought so because you mentioned the point. Sources of
interference, hmm. My Fast Ethernet switch radiates like hell, louder
than any of my PCs. ISDN generates a very discrete noise spectrum, that
can't be it in your case. Look for anything with a switching power
supply, these things can be very noisy. TVs also are ideal noise
sources, particularly when their noise creeps into the house wiring. But
even with everything turned off, I've still noticed non-negligible
radiation from the house wiring, and I have no idea where that comes
from. I hope moving into a new house will fix that...

Stephan
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