Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da05.r1000.mx.aol.com (Internet Inbound) with ESMTP id B02EA3800009E; Sat, 30 Mar 2013 09:09:41 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ULvWe-0003gH-7m for rs_out_1@blacksheep.org; Sat, 30 Mar 2013 13:08:52 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ULvWd-0003g8-Gv for rsgb_lf_group@blacksheep.org; Sat, 30 Mar 2013 13:08:51 +0000 Received: from qmta15.westchester.pa.mail.comcast.net ([76.96.59.228]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1ULvWa-0007bu-OV for rsgb_lf_group@blacksheep.org; Sat, 30 Mar 2013 13:08:50 +0000 Received: from omta05.westchester.pa.mail.comcast.net ([76.96.62.43]) by qmta15.westchester.pa.mail.comcast.net with comcast id Hol71l0040vyq2s5Fp8SZG; Sat, 30 Mar 2013 13:08:26 +0000 Received: from DELL4 ([71.234.119.9]) by omta05.westchester.pa.mail.comcast.net with comcast id Hp8R1l00q0CFS1j3Rp8RrU; Sat, 30 Mar 2013 13:08:26 +0000 Message-ID: <001001ce2d47$aa282a50$6d01a8c0@DELL4> From: To: References: <000501ce2d39$07bdd430$6401a8c0@JAYDELL> Date: Sat, 30 Mar 2013 09:08:25 -0400 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1364648906; bh=vmX2ucLPL7TK/cxZABSnXZjTaXB/EJT2ktB+sIEVma0=; h=Received:Received:Message-ID:From:To:Subject:Date:MIME-Version: Content-Type; b=k5a3xzsUCy1ZKHBgXSktmbw1FuwiKr22LlKPVQQNcMUwI44It/fJSnI4gYkm2+Dog 1CHsoiH8EH0Ajt6p6vQjtShB2Ux/6LuEgquq2FaWFvDE4Bxxkajlx70eyvozxKeMwO 1cZxJvOZTV7aT1UA5m+fTMF821XGrDvUB5W+m5AuchbfCUR4oHz+PZq9H+giSDGVNo mmi0wS7S2HIHRjrp/75p0ESY/kVugSTJ9k7F2XBpnw621HRQ7LJGxj30D/OCFHnDEZ 2rAKpepZgPm26dh53bLRpSESC6stPEntH9h0lH/dlKIkC4svMbNLPHCSg66VBQj5WM bIVxf3nErm14Q== X-Spam-Score: 1.4 (+) 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: Markus Yes ... I was quite surprised to see the decode ... especially as we approach April. Conditions were not particularly quiet last night either. Apparently your efforts have paid off. Thanks for all the pix! [...] Content analysis details: (1.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [76.96.59.228 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (jrusgrove[at]comcast.net) -0.0 SPF_PASS SPF: sender matches SPF record -1.3 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid 2.7 AXB_XMAILER_MIMEOLE_OL_4379D AXB_XMAILER_MIMEOLE_OL_4379D X-Scan-Signature: 3f96c9ff152a6a60cc2344b4cc7e7dd2 Subject: LF: Re: Re: DF6NM DK7FC in CT Content-Type: multipart/alternative; boundary="----=_NextPart_000_000D_01CE2D26.22B27150" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_20_30,HTML_MESSAGE, NO_REAL_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-SCOLL-AUTHENTICATION: mtain-da05.r1000.mx.aol.com ; domain : comcast.net DKIM : fail X-AOL-SCOLL-DMARC: mtain-da05.r1000.mx.aol.com ; domain : comcast.net ; policy : none ; result : F x-aol-sid: 3039ac1d404d5156e4157adf 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_000D_01CE2D26.22B27150 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Markus Yes ... I was quite surprised to see the decode ... especially as we = approach April. Conditions were not particularly quiet last night = either. Apparently your efforts have paid off. Thanks for all the pix! W1VD & WD2XNS running different antennas to separate receivers. = Evaluation continues ...=20 Jay W1VD WD2XNS WE2XGR/2=20 ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, March 30, 2013 8:56 AM Subject: LF: Re: DF6NM DK7FC in CT Jay, thanks very much for this!=20 The night before one wire had fallen off the topload again, and so I = decided to refurbish the antenna yesterday. The PE insulation of the = wire ("NVA-Litze", originally for battlefield telephones) had become = worn and brittle over the years, and the parts where it had come off = near the ends were prone to partial discharges. I replaced the whole = topload (42 m total) with fresh wire, using the original double wire = instead of single ones. At the top half of each leg, the two wires were = split and spaced by 25 cm to increase capacitance a bit. Driving it with = about 400W, I was then able to reach 1.0 W ERP for the first time, with = no visible corona at 4.6A / 20kV. During the night, WSPR-15 was then = sent with 4.3A (0.9W ERP) and 25% duty. At the end of a 15 minute = transmission, the temperature at the inside of the litzwire loading coil = had gone up to 80=B0C, so I seem to be limited by current rather than = voltage now. Anyway it looks like the 2 dB ERP increase has indeed = helped ;-) Unfortunately the mast, which cannot be guyed from the east from our = plot, now heavily bends under the increased weight and wind load. Today = I have attempted to install a temporary auxiliary pole which apparently = helps to stabilize the mast: http://www.df6nm.bplaced.net/LF/pictures/topload_doubled/ This adventurous construction seems to do the job but will not last - = it surely won't pass neighbours' visual acceptance criteria, and I will = anyway have to close the roof window as soon as it starts to rain ;-)=20 BTW Jay, on WSPRnet there were spots from both WD2XNS and W1VD - are = you using two different receivers in parallel? Best 73, Markus (DF6NM) ----- Original Message -----=20 From: jrusgrove@comcast.net=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, March 30, 2013 12:23 PM Subject: LF: DF6NM DK7FC in CT Markus Glad to see Markus make it across the pond last night ... despite less = than favorable DST.=20 2013-03-30 05:30 DK7FC 0.137610 -30 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 05:00 DK7FC 0.137610 -33 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 04:30 DK7FC 0.137610 -32 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 04:00 DK7FC 0.137610 -30 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 03:30 DK7FC 0.137610 -31 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 03:00 DK7FC 0.137610 -26 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 02:30 DK7FC 0.137610 -34 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 02:00 DK7FC 0.137610 -26 0 JN49ik 1 W1VD FN31ls = 6099 2013-03-30 02:00 DF6NM 0.137616 -38 0 JN59nj 0.5 W1VD FN31ls = 6258 2013-03-30 01:30 DK7FC 0.137610 -28 0 JN49ik 1 W1VD FN31ls = 6099=20 Jay W1VD WD2XNS WE2XGR/2 ------=_NextPart_000_000D_01CE2D26.22B27150 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Markus
 
Yes ... I was quite surprised to see = the decode ...=20 especially as we approach April. Conditions were not particularly quiet = last=20 night either. Apparently your efforts have paid off. Thanks = for=20 all the pix!
 
W1VD & WD2XNS = running different=20 antennas to separate receivers. Evaluation continues = ... 
 
Jay W1VD  WD2XNS =20 WE2XGR/2 
----- Original Message -----
From:=20 Markus=20 Vester
Sent: Saturday, March 30, 2013 = 8:56=20 AM
Subject: LF: Re: DF6NM DK7FC in = CT

Jay, thanks very=20 much for this!
 
The night before one wire had=20 fallen off the topload again, and so I decided to refurbish the = antenna=20 yesterday. The PE insulation of the wire=20 ("NVA-Litze", originally for battlefield telephones) had = become worn=20 and brittle over the years, and the parts where it had come=20 off near the ends were prone to partial discharges. I = replaced the=20 whole topload (42 m total) with fresh wire, using the = original double=20 wire instead of single ones. At the top half of each leg, the two = wires were=20 split and spaced by 25 cm to increase capacitance a bit. Driving = it with=20 about 400W, I was then able to reach 1.0 W ERP for the first = time, with=20 no visible corona at 4.6A / 20kV. During the night, WSPR-15 = was then=20 sent with 4.3A (0.9W ERP) and 25% duty. At the end of a 15 = minute=20 transmission, the temperature at the inside of the litzwire loading = coil had=20 gone up to 80=B0C, so I seem to be limited by current rather than = voltage now.=20 Anyway it looks like the 2 dB ERP increase has indeed helped = ;-)
 
Unfortunately the mast, which cannot = be guyed=20 from the east from our plot, now heavily bends under the increased = weight and=20 wind load. Today I have attempted to install a temporary = auxiliary pole=20 which apparently helps to stabilize the mast:
http:/= /www.df6nm.bplaced.net/LF/pictures/topload_doubled/
This adventurous construction seems = to do=20 the job but will not last - it surely won't pass neighbours' = visual=20 acceptance criteria, and I will anyway have to close the roof window = as soon=20 as it starts to rain ;-)
 
BTW Jay, on WSPRnet there were = spots from=20 both WD2XNS and W1VD - are you using two different receivers = in=20 parallel?
 
Best 73,
Markus (DF6NM)
 
 
----- Original Message -----=20
From: jrusgrove@comcast.net
Sent: Saturday, March 30, 2013 12:23 PM
Subject: LF: DF6NM DK7FC in CT

Markus

Glad = to see Markus=20 make it across the pond last night ... despite less than favorable = DST.=20

2013-03-30 05:30  DK7FC  0.137610  -30  = 0 =20 JN49ik  1  W1VD  FN31ls  6099
2013-03-30 = 05:00 =20 DK7FC  0.137610  -33  0  JN49ik  1  = W1VD =20 FN31ls  6099
2013-03-30 04:30  DK7FC  0.137610  = -32  0  JN49ik  1  W1VD  FN31ls =20 6099
2013-03-30 04:00  DK7FC  0.137610  -30  = 0 =20 JN49ik  1  W1VD  FN31ls  6099
2013-03-30 = 03:30 =20 DK7FC  0.137610  -31  0  JN49ik  1  = W1VD =20 FN31ls  6099
2013-03-30 03:00  DK7FC  0.137610  = -26  0  JN49ik  1  W1VD  FN31ls =20 6099
2013-03-30 02:30  DK7FC  0.137610  -34  = 0 =20 JN49ik  1  W1VD  FN31ls  6099
2013-03-30 = 02:00 =20 DK7FC  0.137610  -26  0  JN49ik  1  = W1VD =20 FN31ls  6099
2013-03-30 02:00  DF6NM  0.137616  = -38  0  JN59nj  0.5  W1VD  FN31ls =20 6258
2013-03-30 01:30  DK7FC  0.137610  -28  = 0 =20 JN49ik  1  W1VD  FN31ls  6099

Jay = W1VD =20 WD2XNS  WE2XGR/2

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