[ICOM] RF quiet computers

Tim Duffy K3LR k3lr at k3lr.com
Thu Nov 29 21:55:53 EST 2007


Hi Lee!

The W3NQN AC filter from WX0B will cure this noise issue in a hurry!

http://www.arraysolutions.com

73!
Tim K3LR


-----Original Message-----
From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
Behalf Of Lee Wical
Sent: Thursday, November 29, 2007 7:50 PM
To: ICOM Reflector
Subject: Re: [ICOM] RF quiet computers

YOU NEED A W3QNQ FILTER AT THE COMPUTER. A UPS WOULD NOT HURT EITHER.
GOOD LUCK. LEE

At 07:36 AM 11/29/2007, you wrote:
>Recently, I discovered how RF noisy my fairly recent
>ebay purchased laptop is (an Acer Pentium III).  It
>replaced a Micron Pentium 120mhz computer which was
>very quiet on the radio, but also kind of slow, and I
>thought a laptop would be nice in the shack because it
>would mean less wires, etc.
>
>I find that it really raises the noise floor on 80,
>somewhat on 40, and on parts of 20 and 15.  It is
>probably bad on other bands as well, but I really
>haven't experimented with them yet.
>
>So I probably need to get a replacement, unless anyone
>knows how to kill this noise. What are some good, RF
>quiet computers to look at? I don't have alot of money
>to spend, but can come up with a little bit.  Speed
>probably won't be that important, as long as I can use
>it for some of the digital modes.  The Micron
>unfortunately died, or I would hook it back up.
>
>73s John AA5JG
>
>
> 
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