They probably aren't really off. You might wanr to take this to RFI
list (contesting.com), but some report particular brands of Lutron
dimmers are quiet(er). You might be able to justify (to a landlord or
other financial approver) replacing them on an energy basis.
73,
Leigh/WA5ZNU
On Fri, 7 Sep 2007 11:33 am, Zac Brown wrote:
After looking into this further - the noise is still there even with
the dimmer switches turned off (circuit is on). Is this normal?
Thanks,
Zac
KD5IEF
K2 4907
On Friday, September 07, 2007, at 09:50AM, "Dave Van Wallaghen"
<[EMAIL PROTECTED]> wrote:
Hey Zac,
That sounds very similar to what my plasma TV emits. I have my window
line
running along the outside wall where the TV is mounted and when it is
on, I
can hear it very plainly. The tone fluctuates with changes with the
picture.
I've also noticed that it peaks at certain frequencies as well.
I was able to detect it as well when operating portable in my yard 100
ft
away with a separate antenna in a tree. So I know it's not just in the
power
line. It is considerably attenuated out there - but there none the
less.
BTW - I have a 50" Panasonic Plasma - beautiful picture and a great RF
generator.
73,
Dave W8FGU
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:elecraft-
[EMAIL PROTECTED] On Behalf Of Zac Brown
Sent: Thursday, September 06, 2007 11:48 PM
To: Elecraft reflector
Subject: [Elecraft] Help with noise on 40m
I made a few recordings of some noise that I hear on 40m tonight. The
.wav files can be downloaded at the address below. I have no idea
what's
causing this noise, or how to filter it out. Is this the type of noise
that the KDSP2 or KNB2 could remove?
Thanks,
Zac
KD5IEF
http://homepage.mac.com/zac_brown/FileSharing44.html
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