[RFI] LED Bulbs

Bruce Jungwirth k0son at frontiernet.net
Wed Feb 12 11:33:30 EST 2014

LED Bulbs are not a part 18 device. They are a Part 15 device and must
conform to FCC Class B Radiated & Conducted emissions limits if sold to the
general public for home use.

As an added note; I personally oversaw the testing and approval of the 3M
LED Bulbs. They meet FCC class B limits.

Bruce, K0SON
Retired Sr EMC Engineer
3M Company EMC Lab

-----Original Message-----
From: RFI [mailto:rfi-bounces at contesting.com] On Behalf Of CR
Sent: Wednesday, February 12, 2014 9:43 AM
To: rfi at contesting.com
Subject: Re: [RFI] LED Bulbs

This may be a good one to complain about anyway given the broad spectrum 
of interference reported; it will affect broadcast, air to ground 
communications, police, fire and commercial radio reception as well.

FWIW, Part 97 is not where you should look for illumination devices; 
look in Part 18. Harmful interference *is* unlawful.

Cortland Richmond

PS: Apologies for mistaking you for the other Dale. He and I have been 
working in EMC for years.

On 2/12/2014 10:25 AM, Dale J. wrote:
> Hi Roger,
> Now that statement I'll agree with.  I will too.
> Even if I were to call the FCC to complain would I talk to a live human
who knows what I'm talking about or would it be a robot that directs me to a
FAQ on how to deal with RFI.
> 73
> Dale, K9vuj
> On 12, Feb 2014, at 8:12, Roger D Johnson<n1rj at roadrunner.com>  wrote:
>> >Unfortunately, interference to amateur radio appears to be VERY low
>> >on the FCC priorities list. I'll probably be an SK long before they
>> >act on my complaint!
>> >
>> >73, Roger

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