I suspect they are using a very high freq. switching. In this particular
plant there were boxes of these fixtures and they were installing hundreds
of them. If anyone lives near an industrial area where these seem to be
targeted, lots of luck. Something the ARRL should jump on. I am guessing
there is some type of tax credit for such fixtures.
On Sat, Dec 5, 2009 at 1:15 PM, Rick Saeger <firstname.lastname@example.org> wrote:
> I have firsthand experience with these lights. There is a horse farm barn
> 2000' from my qth. They installed 8 of these devices to replace the
> fluorescent lighting. It was an RF disaster! They created s9+20 noise from
> 20m and up(and that is 2000' away). My operating is primarily contesting.
> a result of these lights it made that virtually impossible.
> After a three year battle with the help of the ARRL and the FCC the owner
> eventually replaced them all with a halogen lighting system which is dead
> This type of battle can take a lot out of you and is not a fun experience
> for anyone involved.
> If you happen to have any one install this type of system near you. GL
> Rick K3OO
> -----Original Message-----
> From: email@example.com [mailto:firstname.lastname@example.org] On
> Behalf Of Jack Shirley
> Sent: Saturday, December 05, 2009 6:01 AM
> To: Roger (K8RI)
> Cc: email@example.com
> Subject: Re: [RFI] RFI alert
> I'm guessing that its ultra efficient electronic ballast design, eg,
> transformer-less: most likely considered and incidental radiator. I have
> check the USPTO for patent info.
> The transformers in my fluorescent lights get very hot, so that would be
> first target for improved.efficiency.
> 73 N8DX
> On Sat, Dec 5, 2009 at 4:08 AM, Roger (K8RI) <firstname.lastname@example.org>
> > Jack Shirley wrote:
> >> http://www.oriones.com/
> >> Fluorescent lighting with electronic ballasts.
> >> I was just at a large company and they are replacing all their HID lamps
> >> with these fixtures. Apparently the RFI was so bad it interfered with
> >> their
> >> radio controlled cranes.
> >> I believe there is some tax incentive for companies to make the change.
> >> Heads up.
> > I wonder what they are doing. I looked at the web page, but all I found
> > they are using a high intensity system. All of the lights in my shop are
> > fluorescents (22 8', 75 watt tubes), or 1650 watts. If they were
> > incandescents I could heat the place with them, but I'd need one whale of
> > airconditioner in the summer.
> > With the conventional fluorescents I have no RF hash, but they are
> > sometimes noisy as in an audible noise.
> > 73
> > Roger (K8RI)
> >> 73 N8DX
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