[RFI] LED Bulbs

[CR]

The FCC has recently moved against other-than-RF sources.

http://www.commlawblog.com/2013/10/articles/enforcement-activities-fines-f/bulbs-behind-bars-ii-fcc-goes-after-hair-salon-lighting-fixture/ 


http://www.commlawblog.com/2014/02/articles/enforcement-activities-fines-f/bulbs-behind-bars-iii-more-lighting-fixtures-mess-up-mobile-data-service/

http://www.commlawblog.com/2011/05/articles/enforcement-activities-fines-f/fcc-settles-for-big-bucks-over-audio-gear-wait-audio/

Also interesting old news (SMPS problem): 
http://www.duanemorris.com/alerts/static/A_Tele050304.pdf

Looking around I find the problem of RFI from VFD's has been known as 
long as they have been around.  Luckily, filters are sold specifically 
for this applicaton. See for example
http://www.transcoil.com/Products/KRF.htm

Now back to LED's

Cortland
KA5S

On 2/12/2014 1:54 PM, Lee K7TJR wrote:
> For me this discussion is of a minor problem. I have had a wood products company move
>   within 200 yards of my antenna field. Not only have they caused a rather loud audio noise
>   but they have installed a 100 Horsepower Air compressor with a VFD drive. They also have
>   large sawdust moving blowers that run on VFDs and they have mentioned how
>   environmentally conscious they are. These items have raised my heretofore very low noise
>   level by over 20 dB. I manufacture low noise receiving systems and now I no longer have
>   a way to test them here. This also ruins my 160 meter DXing.