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Re: [RFI] Bulb rumors.

To: rfi@contesting.com
Subject: Re: [RFI] Bulb rumors.
From: Sam Morgan <k5oai.sam@gmail.com>
Date: Mon, 29 Nov 2010 18:52:16 -0600
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On 11/29/2010 5:59 PM, Jimk8mr@aol.com wrote:
 > The interesting thing about these bulbs is that it seems the more  time one
 > spends listening to Rush Limbaugh, Glen Beck, or Fox News, the more one
 > seems to experience RFI from them.
 >
ah, now I understand what I have been doing wrong,
so let me be sure I have this correct,
if I will simply stop listening to Rush Limbaugh, Glen Beck, or Fox News
and start listening to NPR, Chris Matthews, and Keith Olbermman,
not only will my brain disintegrate and become useless,
but another pleasent side effect will be reduced RFI in the shack?

decisions decisions.....
heheheheh

GB & 73
K5OAI
Sam Morgan

On 11/29/2010 5:59 PM, Jimk8mr@aol.com wrote:
> Last week I was doing some RFI detective work, focusing on 15  meters using
> an IC-R10 strapped to the end of a 4 foot pole. We did find  the source of
> the RFI (quite a different story, which I may post about later),  but in the
> process I passed the radio near several CFLs, both the  regular sort and
> also CFL outdoor flood lights.  Within about a  foot of the bulbs I could hear
> noise, but beyond that nothing.
>
> I have a number of CFLs around my house, and have not noticed any RFI from
> them.
>

>
> 73  -  Jim   K8MR
>
>
>
>
>
> In a message dated 11/29/2010 6:17:08 P.M. Eastern Standard Time,
> ingraham.ma.ultranet@rcn.com writes:
>
> My  experience with CFLs is quite different from yours.  (I have  no
> experience with LED replacements.)
>
>> Noisey,  electrically
>
> Not here, so far.
>
>> and mechanically,
>
> Not  that I've seen.
> (Yes, I can detect a very slight hum from CFLs, and from  many
> incandescents too.)
>
>> degrade rapidly over
>>   time,
>
> Not here.
>
>> have to have special housings or mounting  postitions to prevent the
>> POS power supplies from cooking,
>
> No  special housings here.
>
> I've read about CFLs that cooked, but I haven't  had any do that yet.
> Ours are barely above room temp.
>
> I think this  issue may be a quality control problem, or perhaps lousy
> circuit designs,  not a fault of CFLs per se.
>
>> won't run when cold,
>
> The ones I  stuck outside (NOT made for cold weather) work fine winter
> and summer,  aside from needing a few seconds to reach normal
> brightness in the  winter.
>
>> take tens of seconds
>> to several minutes to come up  to brightness,
>
> The earliest CFLs I bought, about 20? years ago, do  that; but the rest
> of them do not, except for the ones I put  outdoors.  Those start up
> right away but take about 15 seconds to come  up to brightness on cold
> winter nights.
>
>> they cost 32 times what  they intended to replace,
>
> They are fairly cheap here.  But I  haven't bought any in years ...
> haven't needed to!
>
>> can't be  disposed of as they are considered toxic waste,
>
> That one is the Really  Big Problem.
>
>> The Govt. is now creating another industry (CFL  disposal)
>
> And their actions drove the remaining American incandescent  bulb
> makers to close down.
>
> My location is not free of RFI; but none  (ore very little) of it seems
> to be coming from CFLs, and not from those in  my  home.
>
> Regards,
> Andy
>
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