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Re: [RFI] Cree LED Bulbs?

To: <rfi@contesting.com>
Subject: Re: [RFI] Cree LED Bulbs?
From: "Mike Ryan" <mryan001@tampabay.rr.com>
Date: Mon, 11 Mar 2013 19:52:49 -0400
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
The landscaping lights turn out to be 12 volt AC powered and not 12 volt DC powered. All the suggestions about a car battery and/or an Astron or other linear power supply now go out the window. -M

-----Original Message----- From: Mike Ryan
Sent: Sunday, March 10, 2013 4:48 PM
To: rfi@contesting.com
Subject: Re: [RFI] Cree LED Bulbs?

I have a neighbor across the street that just installed a $400+ landscaping
lighting system. These are KILLING me on HF when they turn on at night.  I
even get noise on 220 and 440 FM from them.  We have changed out the power
supplies..no help. I am going to try a CAR BATTERY to see what happens.
That might isolate the problem to the power supply.  But if that doesn't
work, I guess I will have to try some clip of ferrite blocks.  I wonder if
these are the same thing you are working with and if so, what's the fix?
The neighbor has been 'receptive' but I don't want to keep getting in his
face about it until I am on to the fix  - Mike

-----Original Message----- From: Aaron Kreider
Sent: Sunday, March 10, 2013 4:32 PM
To: rfi@contesting.com
Subject: Re: [RFI] Cree LED Bulbs?

I bought some cheap LED bulbs on ebay which range from bad RFI to
horrible RFI.    So while they were cheap (maybe as low as $6), I
recommend staying away from Ebay. They also produce less light than
advertized (the 9 watt bulbs were dimmer than the 7 watt ones I got at
Lowes).  The quality control was terrible.

Aaron

On 3/10/2013 4:01 PM, Eric Rosenberg wrote:
Is anyone familiar withthe LED light bulbs made by Cree (www.cree.com)

They look nice and are half the price of the competition.

They are available from Home Depot, on-line only through the end of this month, and then in the stores.

I'm (obviously) interested in whether they generate rfi/noise!

73,
Eric W3DQ
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