[ARC5] BC 453 request - ham radio

Fri Nov 1 12:36:49 EDT 2019

Easy solution:  Buy commercial rough service incandescent lamps rated at 130 Volts!  They will last for many years.  A few in my house lasted over 12 years or more from original installation/construction.

73 de Mac, K2GKK/5
Since 30 Nov 1953
Oklahoma City, OK
USAF, Retired ('61-'81)
FAA, Retired ('94-'10)
________________________________
From: arc5-bounces at mailman.qth.net <arc5-bounces at mailman.qth.net> on behalf of Doran Platt <jeepp at comcast.net>
Sent: Friday, November 1, 2019 05:59
To: arc5 at mailman.qth.net <arc5 at mailman.qth.net>
Subject: Re: [ARC5] BC 453 request - ham radio

Funny thing, I was want to add a 1N4005 diode in cords and lamp fixtures, etc.  It was quite amazing how the life of incand. bulbs was extended.  No inrush, although less lumins, of course.  A 100w would last 2-3 years as an outside night light.  They used to sell "bulbsaver" socket disks.
Jeep K3HVG
On October 31, 2019 at 11:26 PM Peter Gottlieb < kb2vtl at gmail.com<mailto:kb2vtl at gmail.com>> wrote:

Agreed.  I replaced all incandescents with LED lights and did not noticeably
increase the noise level.  If I stay up late the noise level gets quite decent
even if I have every light on.  But then again, I tested them.  Find LED bulbs
on sale and take one home to test.  If it is an RFI emitter, return it.  If
quiet, buy a pile of them.

I really like the LED bulbs as they are extremely reliable and I can leave the
place all lit up without having an outsized electric bill.  The early LED bulbs
didn't live up to their life claims but I haven't had to replace a bulb in at
least a couple years now while previously I was replacing one or two
incandescents each month.

Peter
KB2VTL

On 10/31/2019 9:19 PM, Kenneth G. Gordon wrote:
On 1 Nov 2019 at 12:35, AKLDGUY . wrote:

I had an enormous amount of noise on 80m which proved to be due to LED lighting in the house.
When I turned off all the lights except for one known to be the old incandescent type, the level
dropped to S5.
Neil ZL1ANM
I think it depends on the CFL or LED light: our home is full of them, and I have zero noise
from any of them. I went around our home to each light fixture with a portable all band radio,
and found nothing from any of them unless the antenna was touching the light. Even then,
the noise was minimal.

In fact, I have given up on trying to even FIND incandescent lamps any more.

However, our middle son once built a hot-rod computer using the cheapest parts he could
find. The 600 watt computer power-supply output the worst noise I have ever expernenced. I
bought him a new top-grade power supply and used his as a target for some 7.62 X 54R

Other folks, like you, have reported terrible amounts of noise from LED and CFL "bulbs".

I have no idea what is the difference.

Ken W7EKB
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