Hi Ken,
So far the only problems I have personally had with LED light bulbs is when
a dimmer is used. The problem is most noticeable at the dimmest setting,
and less severe when the lights are at full output. I have tried a couple
of different dimmers, with one dimmer I could not hear the interference on
160 meters but it was bad down in the AM broadcast band, whereas with
another dimmer the interference was bad on 160 meters but not in the AM
broadcast band. Both of these dimmers were LED light bulb compliant, and
designed with EMI suppression built in per the packaging.
73,
Don (wd8dsb)
On Thu, Jan 21, 2016 at 12:53 PM, Kenneth G. Gordon <
kgordon2006@frontier.com> wrote:
> I have been reading reports in QST that there is RFI emanating from
> LED....somethings... but it is not clear to me what those are.
>
> I have recently installed several LED light-bulbs here, and, as far as I
> can tell
> at this point, have not noticed any increase in local RFI.
>
> Will someone please fill me in on some details about this LED RFI that is
> being mentioned in QST?
>
> Perhaps I am simply not recognizing the noise, but I have been battling RFI
> for the past several years from many other sources, and THOUGHT I knew
> what to look for.
>
> FYI, I have run across a strong, steady carrier on 7272 kHz which is coming
> from the computer sitting on my operating bench. I shut the computer down
> when I want to operate there.
>
> Ken W7EKB
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