[Boatanchors] OT: Which LED lamps are good and which ones bad(From a Radio noise standpoint)

Michael Bittner mmab at cox.net
Sat Dec 26 19:14:05 EST 2015


OK Dennis, thanks for your measurements.  However, I'm wondering what, if 
anything, is getting back into the house wiring and thus establishing a 
general noise level throughout the room regardless of closeness to the lamp?

Mike, W6MAB
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----- Original Message ----- 
From: "Dennis DuVall" <duvallddennis at gmail.com>
To: "Boatanchors" <boatanchors at mailman.qth.net>
Sent: Saturday, December 26, 2015 12:38 PM
Subject: Re: [Boatanchors] OT: Which LED lamps are good and which ones 
bad(From a Radio noise standpoint)


> In my shack with a wire connected to the antenna input on my solid state 
> transceiver and the other end wrapped around the bulb:
>
> 1. Incandescent — no hash, 75 - 10M
>
> 2. CFL — hash if wire wrapped around the element, a bit louder at the base 
> but NO hash 6” away.
>
> 3. LED — GE & Phillips.  Essentially the same results as with the CFL. 
> Nothing 6 inches away.
>
> Longish thread on this back when the sale of incandescents in certain 
> wattage ranges were banned.  Life as we knew it then did NOT end as feared 
> and the current LED alternatives are great IMHO!
>
> Dennis D.  W7QHO
> Glendale, CA


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