Return-Path: Received: from mtain-da04.r1000.mx.aol.com (mtain-da04.r1000.mx.aol.com [172.29.64.76]) by air-me07.mail.aol.com (v129.4) with ESMTP id MAILINME073-8bba4cefb4d5111; Fri, 26 Nov 2010 08:23:33 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da04.r1000.mx.aol.com (Internet Inbound) with ESMTP id BC89A38000102; Fri, 26 Nov 2010 08:23:31 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PLyFk-000298-Rm for rs_out_1@blacksheep.org; Fri, 26 Nov 2010 13:22:16 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PLyFk-00028z-CY for rsgb_lf_group@blacksheep.org; Fri, 26 Nov 2010 13:22:16 +0000 Received: from mtaout02-winn.ispmail.ntl.com ([81.103.221.48]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PLyFj-0008N5-Gg for rsgb_lf_group@blacksheep.org; Fri, 26 Nov 2010 13:22:16 +0000 Received: from know-smtpout-4.server.virginmedia.net ([62.254.123.4]) by mtaout02-winn.ispmail.ntl.com (InterMail vM.7.08.04.00 201-2186-134-20080326) with ESMTP id <20101126132209.MJHR19887.mtaout02-winn.ispmail.ntl.com@know-smtpout-4.server.virginmedia.net> for ; Fri, 26 Nov 2010 13:22:09 +0000 Received: from [82.31.30.73] (helo=desktop) by know-smtpout-4.server.virginmedia.net with esmtpa (Exim 4.63) (envelope-from ) id 1PLyFd-00076o-4i for rsgb_lf_group@blacksheep.org; Fri, 26 Nov 2010 13:22:09 +0000 From: "James Cowburn" To: References: <9DA34185EF634CFE89F265C643104781@AGB> <439635.1425.qm@web28101.mail.ukl.yahoo.com> Date: Fri, 26 Nov 2010 13:21:57 -0000 Message-ID: <00d801cb8d6c$e6f9dc30$0217aac0@desktop> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3664 Thread-Index: AcuNYWZtFEGkoj8QR+CQJWpfvBZrEgACm2qA In-Reply-To: <439635.1425.qm@web28101.mail.ukl.yahoo.com> X-Cloudmark-Analysis: v=1.1 cv=JvdXmxIgLJv2/GthKqHpGJEEHukvLcvELVXUanXFreg= c=1 sm=0 a=vQdSxNHNdqwA:10 a=_x0GOXzmfCgCKsLZaaIA:9 a=z4IPFRSlteLT9p19pbZa5Wc7iPUA:4 a=CjuIK1q_8ugA:10 a=hzGLqxoHRz_VZALt:21 a=ie-wVUDVI2TzaSw_:21 a=SSmOFEACAAAA:8 a=RICrAJEl4R55viTgPoEA:9 a=iEm2U-DTfW8GnSvsEIMA:7 a=Shh-p2RbdlWCd0XMG0FaQGHLAmwA:4 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: RE: LF: Any ADSL2 BBand router / RF proof ? Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D9_01CB8D6C.E6F9DC30" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_60_70, HTML_FONTCOLOR_UNKNOWN,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d404c4cefb4d3513a X-AOL-IP: 195.171.43.25 ------=_NextPart_000_00D9_01CB8D6C.E6F9DC30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Dear All, As a precaution I wound the phone and power leads to my old ADSL netgear 834WG router on to separate red ferrite rings and have also used the big clamp on ferrites too and it sits quite happily with RF, even when I have the TL922 on at legal limit. It my /A QTH in NI I have a Sky broadband router and that's in the same room as the atu/balun and end of my long wire, so far from ideal in terms of RF good practice, this too is fine with 100W out from my TS570 except on 40m and topband where the ATU seems to struggle and so mismatch is causing some interference which drops the ADSL. For me I use the ferrite winding pattern as is oft described in the RSGB tomes. Curiously, ferrites did not cure my very noisy APC UPS (1000W unit) and this renders 1 to 30MHz unuseable as a cacophony of bubbles and squeals migrates up and down numerous simultaneous 5MHz segments. My 700W version of the APC is fine. Hey ho With best to all Jim G7NKS (back to the coil winding for VLF) p.s. Thanks Roger for the namecheck in this months PW ------=_NextPart_000_00D9_01CB8D6C.E6F9DC30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dea= r All,

 

As= a precaution I wound the phone and power leads to my old ADSL netgear 834WG router on to se= parate red ferrite rings and have also used the big clamp on ferrites too and= it sits quite happily with RF, even when I have the TL922 on at legal limit.=  It my /A QTH in NI I have a Sky broadband router and that’s in the same= room as the atu/balun and end of my long wire, so far from ideal in terms of= RF good practice, this too is fine with 100W out from my TS570 except on 40m= and topband where the ATU seems to struggle and so mismatch is causing some interf= erence which drops the ADSL.  

 

For= me I use the ferrite winding pattern as is oft described in the RSGB tomes.

 

Cur= iously, ferrites did not cure my very noisy APC UPS (1000W unit) and this renders 1 to 30MH= z unuseable as a cacophony of bubbles and squeals migrates up and down= numerous simultaneous 5MHz segments.    My 700W version of the= APC is fine.

 

Hey= ho

 

Wit= h best to all

 

 

Jim= G7NKS  (back to the coil winding for VLF)

 

p.s= . Thanks Roger for the namecheck in this months PW

 

 

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