[RFI] CFLs and LEDs

Cortland Richmond ka5s at earthlink.net
Sun Feb 1 15:11:58 EST 2009

Some years ago, I was living on a mountainside ranch at 1500ft ASL near
Santa Rosa CA and while it wasn't routinely as cold as Michigan in Winter,
it got below freezing.  I'd put a CFL in the main house's (unheated)
laundry room and after a couple of months it started generating S9++ noise
on all the HF bands. W1RFI asked if I could send it to him but I was moving
and had already disposed of it.. Now I am in Michigan I have CFL's for all
my outdoor lamps and they are not (yet) acting up at all.  A 3-month-old
Sylvania in my hallway went pzzzztt! and arced over, base to lamp, in
December, but it had been RF quiet before.   Don't ask about the track
lightning's SMPS.


> [Original Message]
> From: Alan NV8A <nv8a at att.net>
> To: RFI Mail Reflector <rfi at contesting.com>
> Date: 2/1/2009 2:20:23 PM
> Subject: Re: [RFI] CFLs and LEDs
> The 2005 supplement included in the following document shows LOA CFLs 
> outlasting Sylvania:
>  > http://www.lrc.rpi.edu/programs/NLPIP/PDF/VIEW/SR_SB_CFL.pdf
> 73
> Alan NV8A

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