Was playing in the 10m contest this weekend and had noise (like a dirty,
hashy carrier, similar to TV-generated noise) every 5-10 kHz as I tuned
the band. When I turned my laptop off, it went away.
My laptop is about 4 ft from the radio and about 25 ft from my balcony
dipole. Any thoughts on
-
From: Barry
To: elecraft@mailman.qth.net
Sent: Monday, December 13, 2010 1:38 AM
Subject: [Elecraft] RFI from computer
Was playing in the 10m contest this weekend and had noise (like a dirty,
hashy carrier, similar to TV-generated noise) every 5-10 kHz as I tuned
the band. When I
Barry -
The interference may be coming from the LCD. Can you reduce the brightness of
the display?
Also check the power supply - try putting beads on the leads. It could be a
noisy switching supply.
If, as Jeff suggested, it's Ethernet noise, you could use a USB wireless
adapter if the
Thanks for comments so far. Running wireless for internet connection (and
yes, needs to be connected). Unplugged PS and no change while on battery.
Using an external monitor, with laptop monitor off. Turning off external
monitor makes no difference.
Barry W2UP
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View this message in
On Sun, Dec 12, 2010 at 10:06 AM, Barry w...@comcast.net wrote:
Thanks for comments so far. Running wireless for internet connection (and
yes, needs to be connected)
Barry, what Jeff means is to go to the device manager in your Windows, find
the internal Ethernet adaptor, and set it to
computer to be sure it's not radiating
any rf.
GL - 73,
Tim - N3XX
- Original Message -
From: Barry w...@comcast.net
To: elecraft@mailman.qth.net
Sent: Sunday, December 12, 2010 11:06 AM
Subject: Re: [Elecraft] RFI from computer
Thanks for comments so far. Running wireless
S/N - 3278P3 S/N - 51
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Monty Shultes
Sent: Sunday, December 12, 2010 10:57 AM
To: Barry; elecraft@mailman.qth.net
Subject: Re: [Elecraft] RFI from computer
Barry -
The interference may be coming
Any USB/serial dongles connected. There were some postings previously
on these beasties sometimes causing noise.
73 de Brian/K3KO
On 12/12/2010 15:38, Barry wrote:
Was playing in the 10m contest this weekend and had noise (like a dirty,
hashy carrier, similar to TV-generated noise) every
On 12/13/2010 03:00 AM, elecraft-requ...@mailman.qth.net wrote:
Subject: [Elecraft] RFI from computer
To:elecraft@mailman.qth.net
Message-ID:4d04ec8f.4010...@comcast.net
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Was playing in the 10m contest this weekend and had noise
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