Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mk01.r1000.mx.aol.com (Internet Inbound) with ESMTP id CA5D9380000CF; Mon, 24 Dec 2012 09:38:33 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Tn9A6-0008NF-Jx for rs_out_1@blacksheep.org; Mon, 24 Dec 2012 14:37:50 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Tn9A6-0008N6-32 for rsgb_lf_group@blacksheep.org; Mon, 24 Dec 2012 14:37:50 +0000 Received: from mtaout03-winn.ispmail.ntl.com ([81.103.221.49]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Tn9A3-0008K1-IR for rsgb_lf_group@blacksheep.org; Mon, 24 Dec 2012 14:37:48 +0000 Received: from know-smtpout-1.server.virginmedia.net ([62.254.123.3]) by mtaout03-winn.ispmail.ntl.com (InterMail vM.7.08.04.00 201-2186-134-20080326) with ESMTP id <20121224143726.QVIX1579.mtaout03-winn.ispmail.ntl.com@know-smtpout-1.server.virginmedia.net> for ; Mon, 24 Dec 2012 14:37:26 +0000 Received: from [92.235.222.208] (helo=MPC) by know-smtpout-1.server.virginmedia.net with smtp (Exim 4.63) (envelope-from ) id 1Tn98g-0000Oy-5L for rsgb_lf_group@blacksheep.org; Mon, 24 Dec 2012 14:36:22 +0000 Message-ID: From: "Mark" To: References: <3B3F364C54F24112B0098F814D576658@MPC> <248E35A16F4D4A91851CDC0AE9DDAEC4@MPC> <1356349871.66247.YahooMailNeo@web133204.mail.ir2.yahoo.com> In-Reply-To: <1356349871.66247.YahooMailNeo@web133204.mail.ir2.yahoo.com> Date: Mon, 24 Dec 2012 14:35:34 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Cloudmark-Analysis: v=1.1 cv=AUhbpHVS+xhHrj9wLCYAQoYnFLYUZdbP8UM0GmH2jwk= c=1 sm=0 a=pnycYrcEI5sA:10 a=3NElcqgl2aoA:10 a=F3M5lZpKAAAA:8 a=NcN59idvAAAA:8 a=oCcaPWc0AAAA:8 a=D2rOLP4rZ7vp0PpJvVkA:9 a=wPNLvfGTeEIA:10 a=wk6s2zzMB60A:10 a=GBYjNgTzydkA:10 a=BrDiTsk0AAAA:8 a=gy54D6m6VpzpoUZQ6HsA:9 a=_W_S_7VecoQA:10 a=-hJg1tCh9CgA:10 a=qX7czANaJcd4qdNs:21 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: The open wire feeders are balanced feeders , the bird acts as a capacitance on one side and the result is that a small amount of the incident power is diverted. The worst part is that sometimes the birds survived, but left their feet on the feeder. Bear in mind that these shortwave feeders are connected to senders running from 100kW to 300kW depending on era. Arcs in the antenna field were not uncommon during my days on shortwave. We dreaded stubble burning season large lumps of ash played havoc with open wire systems [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [81.103.221.49 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 2bd5d3c3e4b1ac0d4c95b192e62a82a2 Subject: Re: LF: Unusual radio mast video Ukraine ?? Content-Type: multipart/alternative; boundary="----=_NextPart_000_00F7_01CDE1E3.EF01F0C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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: 3039ac1d618550d868e97911 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_00F7_01CDE1E3.EF01F0C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The open wire feeders are balanced feeders , the bird acts as a = capacitance on one side and the result is that a small amount of the = incident power is diverted. The worst part is that sometimes the birds = survived, but left their feet on the feeder. Bear in mind that these shortwave feeders are connected to senders = running from 100kW to 300kW depending on era. =20 Arcs in the antenna field were not uncommon during my days on shortwave. = We dreaded stubble burning season large lumps of ash played havoc with = open wire systems Dave, I wonder where you worked? I had spells at Daventry and Wooferton = and some project work at Rampisham and Skelton From: M0FMT=20 Sent: Monday, December 24, 2012 11:51 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Unusual radio mast video Ukraine ?? Hi Dave Must have had the bad luck to step on a voltage peak of the standing = wave?=20 73 es GL, HNY es MX Pete M0FMT IO91UX From: DAVE PICK To: rsgb_lf_group@blacksheep.org=20 Sent: Monday, 24 December 2012, 10:32 Subject: Re: LF: Unusual radio mast video Ukraine ?? I used to work on short-wave broadcast stations using open wire = feeders. When a bird alighted on one feeder a huge arc would be struck = and I could plainly hear the audio from the service. Once the = transmitter had tripped and the smoke cleared, all that remained of the = bird was its feet stuck to the wire... Merry Christmas! Dave G3YXM No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2805 / Virus Database: 2637/5981 - Release Date: = 12/23/12 ------=_NextPart_000_00F7_01CDE1E3.EF01F0C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
The open wire feeders are balanced feeders , = the bird=20 acts as a capacitance on one side and the result is that a small amount = of the=20 incident power is diverted.  The worst part is that sometimes the = birds=20 survived, but left their feet on the feeder.
 Bear in mind that these shortwave = feeders are=20 connected to senders running from 100kW to 300kW depending on era.  =
Arcs in the antenna field were not uncommon = during my=20 days on shortwave.  We dreaded stubble burning season  = large=20 lumps of ash played havoc with open wire systems
 
Dave, I wonder where you worked? I had spells = at=20 Daventry and Wooferton and some project work at Rampisham and=20 Skelton
 
 

From: M0FMT
Sent: Monday, December 24, 2012 11:51 AM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: Unusual radio mast video Ukraine=20 ??

Hi Dave
 
Must have had the bad luck to step on a voltage peak of the = standing=20 wave? 
73 es GL, HNY es MX Pete M0FMT IO91UX
From: DAVE PICK <daveyxm@virginmedia.com>To: rsgb_lf_group@blacksheep.org= =20
Sent: Monday, 24 = December=20 2012, 10:32
Subject: Re: LF:=20 Unusual radio mast video Ukraine ??

I used to work on short-wave broadcast stations = using=20 open wire feeders. When a bird alighted on one feeder a huge arc would = be=20 struck and I could plainly hear the audio from the service. Once the=20 transmitter had tripped and the smoke cleared, all that remained of = the bird=20 was its feet stuck to the wire...

Merry Christmas!

Dave=20 G3YXM


No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2013.0.2805 / = Virus=20 Database: 2637/5981 - Release Date: 12/23/12

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