[UK-CONTEST] UK-Contest Digest, Vol 61, Issue 10

[John Muzyka]

I use one of the RF-1 filters and still loose my ADSL on 80/160m (sometimes 30m as well depending on the direction of the beam) also has several clip on ferrites on the Netgear DG834N Router phone line in, network, and dc power cables and it still keeps dropping the ADSL
  The F6ETI  reply looks good I am going to try that
  John G4RCG 

"David Ferrington, M0XDF" <M0XDF at Alphadene.co.uk> wrote:
  Good I recommend
http://www.ky-filters.com/
I have the RF-1 filter and it has completely stopped the problem I was
having with 40M RFI on my DrayTek router.


On 11/1/08 14:19, "uk-contest-request at contesting.com"
sent:

> Message: 1
> Date: Fri, 11 Jan 2008 08:50:30 -0000
> From: "John Lemay" 
> Subject: [UK-CONTEST] 80m and ADSL
> To: 
> Message-ID: <005c01c8542f$04edd270$2101a8c0 at G4ZTR>
> Content-Type: text/plain; charset="us-ascii"
> 
> Morning all
> 
> Maybe a little off topic, but I know there's a mine of information out there
> !
> 
> I might be giving our local (Colchester) club a bit of support in some of
> the 80m contests this year (AFS and CC). With just 100w to a Butternut I
> won't be exactly challenging the leaders, but it's the group effort which
> will benefit.
> 
> Anyway, to get technical:- Whenever I run more than 20w or so on 80m, I
> notice that my ADSL connection is interrupted. As far as I can tell, the
> landline phone itself is not affected. I'm a bit concerned I may be having a
> similar affect on my neighbours.
> 
> I have simple "clip-on" ferrites on all leads but suspect that at relatively
> low frequencies like 3.5MHz these might not be effective enough? The cable
> just passes through the ferrite; there are no multiple turns.
> 
> I've noticed in addition that for other unknown reasons, I occasionally lose
> my ADSL for a minute or two. I can't be watching the leds on the wireless
> router all the time, so I'm wondering if there's any bits of software I can
> monitor my connection with over a long period? A "Google" has not been
> fruitful.
> 
> Thanks in anticipation
> 
> John G4ZTR

-- 
If a man will begin with certainties, he shall end in doubts; but if he
will be content to begin with doubts, he shall end in certainties.
-Francis Bacon, essayist, philosopher, and statesman (1561-1626)


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