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Re: [RFI] Low RFI 60w CFL bulb

To: rfi@contesting.com
Subject: Re: [RFI] Low RFI 60w CFL bulb
From: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 07 Mar 2015 00:56:04 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Again as with other topics, my experience is only one mans experience, making it anecdotal but I have, or rather had CFLs in all the house lights. I did no checking other than my normal 160 through 440 operation. I heard no interference, or detected any increase in noise floors. Going to the screw in LED replacements was the same. I made no special search for specific manufacturers, or brands.

The only interference I've found was from a computer to my HT setting "on" the computer breaking the squelch with an S2 signal (hash). A foot away and it could not be heard even with the squelch open.

73

Roger (K8RI)

On 2/22/2015 7:39 PM, Chris L. Parker wrote:
Hello Group,


A quick post regarding my RFI experience with CFL bulbs.

I recently bought 3 brands of CFL bulbs at the local big-box DIY store for a 
nightstand lamp.

I placed my SW portable on the nightstand (about 1.5 feet from bulb) and 
listened on 454 KHz, 4, 7, 14, and 21 MHz for RFI.

I heard significant RFI from the Philips EnergySaver Silicone Coating 14w =60w 
featuring TuffGuard protection, soft white, shatter resistant, 790 lumens, 2 
pack.

I heard significant RFI from the Cree 4Flow, 60w, 2700K, soft white, dimmable, 
815 lumens, single pack.

I heard nil RFI from the GE energy smart, Bright from the Start, 60w uses 15w, 
800 lumens, soft white, 2 pack.

Thus, I recommend the GE energy smart, Bright from the Start CFL bulb for RFI 
sensitive applications. As always, YMMV.

Hope this helps.

Chris
AF6PX
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