Delivered-To: daveyxm@virginmedia.com Received: by 10.50.57.9 with SMTP id e9csp182711igq; Wed, 26 Jun 2013 14:34:38 -0700 (PDT) X-Received: by 10.204.230.71 with SMTP id jl7mr797348bkb.72.1372282477037; Wed, 26 Jun 2013 14:34:37 -0700 (PDT) Return-Path: Received: from post.thorcom.com ([195.171.43.25]) by mx.google.com with ESMTP id rm8si3576430bkb.118.2013.06.26.14.34.35 for ; Wed, 26 Jun 2013 14:34:36 -0700 (PDT) Received-SPF: temperror (google.com: error in processing during lookup of owner-rsgb_lf_group@blacksheep.org: DNS timeout) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=temperror (google.com: error in processing during lookup of owner-rsgb_lf_group@blacksheep.org: DNS timeout) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UrxKj-0006kh-Cm for rs_out_1@blacksheep.org; Wed, 26 Jun 2013 22:32:57 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UrxKi-0006kY-Ol for rsgb_lf_group@blacksheep.org; Wed, 26 Jun 2013 22:32:56 +0100 Received: from smtpout5.wanadoo.co.uk ([80.12.242.80] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1UrxKg-0001eX-Ni for rsgb_lf_group@blacksheep.org; Wed, 26 Jun 2013 22:32:55 +0100 Received: from AGB ([95.145.208.169]) by mwinf5d62 with ME id t9Ys1l00M3fptwn039Ys6t; Wed, 26 Jun 2013 23:32:53 +0200 Message-ID: From: "Graham" To: References: <003d01ce71b1$fc0c55e0$f42501a0$@comcast.net> <51C9B3DE.6070603@psk31.plus.com> <51C9D009.6030802@iup.uni-heidelberg.de> <51C9F5E2.5020507@iup.uni-heidelberg.de> <51CA027E.4040308@psk31.plus.com> <51CA0850.5060103@iup.uni-heidelberg.de> <001801ce7299$a96a93e0$0201a8c0@marco09cqcdi12> In-Reply-To: <001801ce7299$a96a93e0$0201a8c0@marco09cqcdi12> Date: Wed, 26 Jun 2013 22:32:52 +0100 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-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: Or the Garden path :-,) From: Marco Cadeddu Sent: Wednesday, June 26, 2013 7:19 PM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: MF propagation .. you should replace the stainless steel wire with an aluminium wire... lighter and with lower losses... in this way you could improve the signal and I'm sure that Markus will listen to you also via long path! [...] 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 [80.12.242.80 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 059065dc6500ac08f691f2dd07d4538f Subject: Re: LF: MF propagation Content-Type: multipart/alternative; boundary="----=_NextPart_000_00F4_01CE72BD.187836C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=HTML_40_50,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY,HTML_TITLE_EMPTY,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 Status: O X-Status: X-Keywords: X-UID: 2438 This is a multi-part message in MIME format. ------=_NextPart_000_00F4_01CE72BD.187836C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Or the Garden path :-,)=20 From: Marco Cadeddu=20 Sent: Wednesday, June 26, 2013 7:19 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: MF propagation .. you should replace the stainless steel wire with an aluminium wire... lighter and with lower losses... in this way you could improve the = signal and I'm sure that Markus will listen to you also via long path! .... .. .... .. 73 Marco IK1HSS ----- Original Message -----=20 From: Stefan Sch=E4fer=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, June 25, 2013 9:14 PM Subject: Re: LF: MF propagation Hi Eddie,=20 Yes and it is not new and it has all been done in the past :-) The feeder is 10mm diameter stainless steel. I guess it takes at least = 300A before it melts :-) So the limit would be the withstand voltage of = the ceramic isolator, even on MF :-) 73, Stefan Am 25.06.2013 22:50, schrieb g3zjo:=20 Hi Stefan Did you look to see if your feeder had taken one hour to melt? :-)=20 You know that WSPR's auto reporting is of no use at all and the = quick QSO Mode 599 imi 599 is the preferred method. 73 Eddie On 25/06/2013 20:56, Stefan Sch=E4fer wrote:=20 MF,=20 I just saw this:=20 Timestamp Call MHz SNR Drift Grid Pwr Reporter RGrid km az=20 2013-06-25 19:48 DK7FC 0.475690 0 -1 JN49ik 1 = IW4DXW JN64bw 563 151 =20 2013-06-25 19:42 DK7FC 0.475689 -2 0 JN49ik 1 = IW4DXW JN64bw 563 151 =20 2013-06-25 19:36 DK7FC 0.475690 -2 0 JN49ik 1 = IW4DXW JN64bw 563 151 =20 2013-06-25 19:24 DK7FC 0.475690 -8 -1 JN49ik 1 = IW4DXW JN64bw 563 151 =20 2013-06-25 19:18 DK7FC 0.475690 -8 0 JN49ik 1 = IW4DXW JN64bw 563 151 =20 2013-06-25 19:12 DK7FC 0.475690 -9 0 JN49ik 1 = IW4DXW JN64bw 563 151 =20 2013-06-25 19:00 DK7FC 0.475690 -17 0 JN49ik 1 = IW4DXW JN64bw 563 151 =20 2013-06-25 18:54 DK7FC 0.475689 -23 0 JN49ik 1 = IW4DXW JN64bw 563 151=20 I find it interesting to see that the propagation on 630m between = JN49 and JN64, just 563 km, changed so rapidly and consistant from a = non-decode to an SNR of 0 dB, i.e. by about 30 dB in one hour! At EA2HB we can see now daily when the band opens from DL to EA = and when it closes. A really useful software! 73, Stefan/DK7FC ------=_NextPart_000_00F4_01CE72BD.187836C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Or the  Garden path  :-,)

From: Marco Cadeddu
Sent: Wednesday, June 26, 2013 7:19 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: MF propagation

.. you should replace the stainless = steel wire with=20 an aluminium wire...
lighter and with lower losses... in = this way you=20 could improve the signal and I'm sure that Markus will listen to you = also via=20 long path!
 
.... .. .... ..
 
73 Marco IK1HSS
----- Original Message -----
From:=20 Stefan = Sch=E4fer
Sent: Tuesday, June 25, 2013 = 9:14=20 PM
Subject: Re: LF: MF = propagation

Hi Eddie,

Yes and it is not new and it has all = been=20 done in the past :-)

The feeder is 10mm diameter stainless = steel. I=20 guess it takes at least 300A before it melts :-) So the limit would be = the=20 withstand voltage of the ceramic isolator, even on MF :-)

73,=20 Stefan

Am 25.06.2013 22:50, schrieb g3zjo:=20
Hi=20 Stefan

Did you look to see if your feeder had taken one hour = to melt?=20 :-)
You know = that WSPR's=20 auto reporting is of no use at all and the quick QSO Mode 599 imi = 599 is the=20 preferred method.

73 Eddie

On 25/06/2013 20:56, Stefan = Sch=E4fer=20 wrote:=20
MF,

I just saw this:
Timestamp Call MHz SNR Drift Grid Pwr Reporter RGrid km az
 2013-06-25 19:48   DK7FC   0.475690   0   -1   JN49ik   1   IW4DXW   JN64bw   563   151 
 2013-06-25 19:42   DK7FC   0.475689   -2   0   JN49ik   1   IW4DXW   JN64bw   563   151 
 2013-06-25 19:36   DK7FC   0.475690   -2   0   JN49ik   1   IW4DXW   JN64bw   563   151 
 2013-06-25 19:24   DK7FC   0.475690   -8   -1   JN49ik   1   IW4DXW   JN64bw   563   151 
 2013-06-25 19:18   DK7FC   0.475690   -8   0   JN49ik   1   IW4DXW   JN64bw   563   151 
 2013-06-25 19:12   DK7FC   0.475690   -9   0   JN49ik   1   IW4DXW   JN64bw   563   151 
 2013-06-25 19:00   DK7FC   0.475690   -17   0   JN49ik   1   IW4DXW   JN64bw   563   151 
 2013-06-25 18:54   DK7FC   0.475689   -23   0   JN49ik   1   IW4DXW   JN64bw   563   151

I = find it=20 interesting to see that the propagation on 630m between JN49 and = JN64,=20 just 563 km, changed so rapidly and consistant from a non-decode = to an SNR=20 of 0 dB, i.e. by about 30 dB in one hour!

At EA2HB we can = see now=20 daily when the band opens from DL to EA and when it closes. A = really=20 useful software!

73,=20 Stefan/DK7FC

= ------=_NextPart_000_00F4_01CE72BD.187836C0--