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Re: [RFI] RFI alert

To: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Subject: Re: [RFI] RFI alert
From: Jack Shirley <jcshirle@gmail.com>
Date: Sat, 5 Dec 2009 06:00:52 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
I'm guessing that its ultra efficient electronic ballast design, eg,
transformer-less: most likely considered and incidental radiator. I have not
check the USPTO for patent info.

The transformers in my fluorescent lights get very hot, so that would be the
first target for improved.efficiency.

73  N8DX

On Sat, Dec 5, 2009 at 4:08 AM, Roger (K8RI) <k8ri@rogerhalstead.com> wrote:

> 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 was
> 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 an
> 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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