Jeff Liebermann wrote in
:

Also, a mess of junk switcher type cell
phone chargers.


Nice catch. The noise has a pulsed interval very similar to the type of Li-
ion charger that pauses to measure voltage every second or so. It might be
one. Thing is, it is the interval that noises, not the main duration, so I
think it might be a net boz sending regular packets when idle.