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Re: [RFI] LED Bulbs

To: "Mike Ryan" <mryan001@tampabay.rr.com>
Subject: Re: [RFI] LED Bulbs
From: "Dale J." <dj2001x@comcast.net>
Date: Mon, 10 Feb 2014 15:40:33 -0600
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Noted.  I don't have a Lowes close by, but I do have a Home Depot and Menards.  
Next time I'm there I will look for this product and perhaps drop some 
suggestions. I do know someone who works in the electrical department at 
Menards, he's a ham operator too.  I'll pass this information along to him, 
minus all the headers etc.

Thanks Mike.

73
Dale, K9VUJ



On 10, Feb 2014, at 15:25, "Mike Ryan" <mryan001@tampabay.rr.com> wrote:

> Dale, The brand name is PORTFOLIO, and sold around here at LOWES.   The model 
> number is #0068062.  It is called a 'wall wash light'.  They are LED, low 
> voltage 8w draw, with 420 lumens / 3000k.  The box says they are comparable 
> to a 35w halogen floodlight.  Very, Very, nasty light fixture.
> -Mike
> 
> -----Original Message----- From: Dale J.
> Sent: Monday, February 10, 2014 3:06 PM
> To: Mike Ryan
> Cc: rfi@contesting.com
> Subject: Re: [RFI] LED Bulbs
> 
> I'd like to get the numbers of those lights.  Post them if you will, mfg too 
> and where they are sold.
> 
> Tnx
> Dale, k9vuj
> 
> 
> 
> On 10, Feb 2014, at 13:36, Mike Ryan <mryan001@tampabay.rr.com> wrote:
> 
>> Sorry Jim but the power supplies that these lights are connected to are not 
>> always the case. I mentioned in an earlier post here about some 50w LED 
>> lamps which use 12 vot AC, that's AC. The power supply is clean.  The BULBS 
>> have switching power supplies of some nature in them.  LOEWS has a line of 
>> exterior landscaping lights which will pretty much drive you QRT. My 
>> neighbor has 10 of these in his yard.  They are dirty from HF to at least 
>> 440mhz.  When his outdoor lights timer goes ON, I am OFF. I'd be happy to 
>> post info on these again should someone care.  - Mike
>> 
>> -----Original Message----- From: David C. Hallam
>> Sent: Monday, February 10, 2014 1:48 PM
>> To: rfi@contesting.com
>> Subject: Re: [RFI] LED Bulbs
>> 
>> I may have made an unwarranted conclusion, but I assumed the LED were
>> substituted for halogen without any other changes.  I will see if I can
>> get a clarification on that point.  Would a change in bulb types make
>> any difference in the RFI being generated?
>> 
>> David
>> KW4DH
>> 
>> On 2/10/2014 1:14 PM, Jim Brown wrote:
>>> On 2/10/2014 11:07 AM, Dave Cole wrote:
>>>> Who would have thought the LED's could radiate so far?
>>> 
>>> It's not the LEDs, it's the wires (antennas) connected to the switching 
>>> power supply for the LEDs. This should come as no surprise to any ham --  
>>> switching power supplies are generators of RF trash, that puts RF current 
>>> on those wires, and like any other antenna, those wires radiate the trash.
>>> 
>>> Thank you VERY much for posting details of part numbers and vendors for the 
>>> bad products.
>>> 
>>> 73, Jim K9YC
>>> _______________________________________________
>>> RFI mailing list
>>> RFI@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/rfi
>>> 
>> 
>> -- 
>> "I predict future happiness for Americans if they can prevent the government 
>> from wasting the labors of the people under the pretense of taking care of 
>> them."
>> Thomas Jefferson
>> 
>> 
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