Lobster wrote:
StudioTwo wrote:

I have checked with my neighbours, but they have not noticed any
problem. Is this something that can be easily detected with the proper
equipment?

Have you checked with your neighbours (or anybody else, for that matter)
whether they can detect the problem in YOUR house, or whether YOU can
detect in THEIR houses?

David

I thought that the frequency fluctuated but I wouldn't have thought
that this was detectable, even on fluorescent tubes.

Kevin