Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id w2LBPWCP030362 for ; Wed, 21 Mar 2018 12:25:33 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eyboK-0000Hz-H4 for rs_out_1@blacksheep.org; Wed, 21 Mar 2018 11:21:40 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eyboJ-0000Hp-8D for rsgb_lf_group@blacksheep.org; Wed, 21 Mar 2018 11:21:39 +0000 Received: from resqmta-ch2-06v.sys.comcast.net ([2001:558:fe21:29:69:252:207:38]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1eyboE-0003d1-HL for rsgb_lf_group@blacksheep.org; Wed, 21 Mar 2018 11:21:38 +0000 Received: from resomta-ch2-12v.sys.comcast.net ([69.252.207.108]) by resqmta-ch2-06v.sys.comcast.net with ESMTP id yboAeyyHeKNfxyboAetC8O; Wed, 21 Mar 2018 11:21:30 +0000 X-DKIM-Result: Domain=comcast.net Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20161114; t=1521631290; bh=+wOGH7C1V1WqlPIf5BXq/NfEsEk5oskgG/MRzwEuZGY=; h=Received:Received:From:Subject:To:Content-Type:MIME-Version:Date: Message-ID; b=pshwuryWX5iiM3aVajXzDTvA7hNPY6j2gcypZVY3UHttVmAYWqFLIbDXOwSrDTiwS 4R8gMI+Siyl5u7ImRAJizlbCBYcHV2MSJyVV+VLaDKhh7cRk3ZNAqBYzbkY/BfpcDY ZnvehMw7V9B3owiSsbEEmTFircJiMTgoyGEy9cxnhD7vCXilOlt5ggWd5xBwM/rCg/ tJM2Onv//drV7xXHN8pUsWUnn5yfyD6kXOKetuzCECJ58MRDPWKhgnpTyjOAQW27u2 dWUpJ5fD4NdBqfTz21zAsf03svXmYLmWOGl0Rcn6ZiUtfvqaoWJdQBGObqAIlEz0+b ViLPbjy2HYR9w== Received: from Optiplex980-PC ([73.4.253.141]) by resomta-ch2-12v.sys.comcast.net with SMTP id ybo7exGixb7rVybo8ecraf; Wed, 21 Mar 2018 11:21:29 +0000 From: "jrusgrove@comcast.net" To: "rsgb_lf_group@blacksheep.org" MIME-Version: 1.0 References: <8a85a7a8-7a1b-f38c-3581-88701aeaf955@n1bug.com> <7D4519A0433A4F14A3D049E57B75A728@gnat> <6654fd57-9c36-a3e4-4acf-650dda972796@n1bug.com> Date: Wed, 21 Mar 2018 07:21:27 -0400 Message-ID: <1UQPrtKflc.2KyOHzTCoMH@optiplex980-pc> In-Reply-To: <6654fd57-9c36-a3e4-4acf-650dda972796@n1bug.com> User-Agent: OEClassic/2.7 (Win7; P; 2017-02-12) X-Mailer: OEClassic/2.7 (Win7; P; 2017-02-12) X-CMAE-Envelope: MS4wfLTpG6SjuByEWW8zpZCjjnvPkLUlDprUv0GzcvrP521vFAWVa5k1HHM3feaVzNGiTFPIuh+SZU9EVLJfQfJ0j1Le06F0Lah6GtN0ooJcyZLt53jDwOOI MhUpBGjzpoSlLhET1hTE+5j84A5yBz2nkjDB9psCS9dvA+JW88U6T9pILljZsF/au9z6BYDzZixB9Q== X-Spam-Score: 0.7 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Many years back, Stefan DK7FC's 137 kHz T/A DFCW was received here every month of the year ... and it's not like we had to try every night of the month for success ... even during the summer. If the DST was favorable any relatively low noise night worked. [...] Content analysis details: (0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (jrusgrove[at]comcast.net) 0.0 HTML_MESSAGE BODY: HTML included in message 0.1 URIBL_SBL_A Contains URL's A record listed in the Spamhaus SBL blocklist [URIs: n1bug.com] 0.6 URIBL_SBL Contains an URL's NS IP listed in the Spamhaus SBL blocklist [URIs: n1bug.com] 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 18c242620d7d7b91a1caf5740aa3e326 Subject: Re: LF: Re: 2200m Trans-Atlantic QSO dream... Content-Type: multipart/alternative; boundary="ZB2eDHYGvVJ1SIVGvgZtqgo=_v6w73s2gZ" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE, TO_ADDRESS_EQ_REAL 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 This is a multi-part message in MIME format --ZB2eDHYGvVJ1SIVGvgZtqgo=_v6w73s2gZ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Many years back, Stefan=20 DK7FC's 137 kHz T/A DFCW was received here every month of the year ...= and it's=20 not like we had to try every night of the month for success ... even d= uring the=20 summer. If the DST was favorable any relatively low noise night worked= =2E=20 Jay W1VD WD2XNS WE2XGR/2 =20 ----- Original Message ----- From: N1BUG Reply-To: To: Sent: 3/21/2018 6:11:40 AM Subject: Re: LF: Re: 2200m Trans-Atlantic QSO dream... I'm well aware propagation can be good even in mid summer, just as it is on 160m (where I have 297 DXCC worked so I've=20 been around a while). QRN is the "season creator" here. Last year trans-Atlantic WSPR-2 decodes ceased in late March due to rising static.=20 I'm seeing the same huge increase this March. I don't know what the band=20 actually sounds like in Europe or what happens later in the spring/summer. But looking at lightning maps over the past few weeks I can make a good guess we have significantly higher static levels than you do. Of course on the plus side we=20 don't have DCF39. :) I rarely see it mentioned but isn't HGHA22 a nightmare=20 too?=20 It's often stronger than DCF39 over here. I have my fast, wide waterfall set so I can see both of them. They do make nice relative propagation indicators. I did see some evidence that DFCW can cut through the mess later into the season as I had full call sign copy on DF6NM and DF2JP in April 2017. 73, Paul N1BUG On 03/19/2018 12:39 PM, Alan Melia wrote: > Lots of people talk about a ''season'' but in propagation terms ther= e isn't=20 > one. you can get as good a propaga > tion in summer as in winter. There is possibly less noise to listen = to in=20 > winter and the darkness period is longer. I have copied Joe VO1NA al= l year=20 > round on QRSS (3 and 10 second dots) Poor nights can be predicted by= =20 > watching the Dst index but a high index ,above -20nT dos not guarent= ee a=20 > good night but it is more likely. Good indictions for 136kHz can be = had by=20 > monitoring DCF39 on 138.83kHz (just the idle tone) >=20 > See http://www.472khz.org/pages/technical-topics/propagation.php > Though it refers to 475kHs most of the observations were derived fro= m 138.83=20 > and CFH on 137.00kHz over about 11 years. --ZB2eDHYGvVJ1SIVGvgZtqgo=_v6w73s2gZ Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
Many years back, Stefan DK7FC's 137 kHz T/A DFCW was received her= e every month of the year ... and it's not like we had to try every ni= ght of the month for success ... even during the summer. If the D= ST was favorable any relatively low noise night worked.
 
Jay W1VD  WD2XNS  WE2XGR/2   
 
 
----- Original Message -----
From: N1BUG <paul@n1b= ug.com>
Sent: 3/21/2018 6:11:40 AM
Subject: Re: LF: Re: 2200m Trans-Atlantic QSO dream...
I'm well aware propagation can be good even in mid summer, just as
= it is on 160m (where I have 297 DXCC worked so I've been around a
w= hile).

QRN is the "season creator" here. Last year trans-Atlant= ic WSPR-2
decodes ceased in late March due to rising static. I'm se= eing the
same huge increase this March. I don't know what the band = actually
sounds like in Europe or what happens later in the spring/= summer.
But looking at lightning maps over the past few weeks I can= make a
good guess we have significantly higher static levels than = you do.

Of course on the plus side we don't have DCF39. :) I ra= rely see it
mentioned but isn't HGHA22 a nightmare too? It's often = stronger than
DCF39 over here. I have my fast, wide waterfall set s= o I can see
both of them. They do make nice relative propagation in= dicators.

I did see some evidence that DFCW can cut through the= mess later
into the season as I had full call sign copy on DF6NM a= nd DF2JP in
April 2017.

73,
Paul N1BUG



On = 03/19/2018 12:39 PM, Alan Melia wrote:
> Lots of people talk abo= ut a ''season'' but in propagation terms there isn't
> one. you= can get as good a propaga
> tion in summer as in winter. There = is possibly less noise to listen to in
> winter and the darknes= s period is longer. I have copied Joe VO1NA all year
> round on= QRSS (3 and 10 second dots) Poor nights can be predicted by
> = watching the Dst index but a high index ,above -20nT dos not guarentee= a
> good night but it is more likely. Good indictions for 136k= Hz can be had by
> monitoring DCF39 on 138.83kHz (just the idle= tone)
>
> See http://www.472khz.org/pages/technical-t= opics/propagation.php
> Though it refers to 475kHs most of t= he observations were derived from 138.83
> and CFH on 137.00kHz= over about 11 years.
--ZB2eDHYGvVJ1SIVGvgZtqgo=_v6w73s2gZ--